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Top cave destinations and underground wonders

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Waitomo
Underground wonders beneath rolling farmland
7.5
Waitomo's glowworms light the cave ceiling with thousands of tiny bioluminescent dots. These larvae dangle sticky threads to trap insects drawn towards their glow. Visitors can drift beneath the display by boat through a dark underground river. Guides once used only candlelight to lead early tours through the caves.
Highlights:
  • 🌊 Go black water rafting through underground cave rivers
  • 🦟 Explore Ruakuri Cave’s limestone formations and glowworms
  • 🚤 Take a boat ride through the magical Waitomo Glowworm Caves
New Mexico
Land of Enchantment’s Rich Heritage
7.7
Carlsbad Caverns drops visitors more than 750 feet below the New Mexico desert surface. Bats stream out of the entrance in a swirling cloud each summer evening. Visitors can walk a paved trail past the cavern's massive Big Room chamber. Lifts also carry visitors directly down from the surface visitor centre.
Highlights:
  • ♨️ Soak in natural hot springs at Truth or Consequences
  • 🏘️ Visit historic Taos Pueblo, a living Native American village
  • 🏜️ Explore the surreal dunes of White Sands National Park
Postojna
Caves, Castles and Karst Wonders
8.1
Postojna Cave carries visitors nearly two miles inside aboard an open electric train. Blind cave salamanders called olms live in the cave's underground pools for decades at a time. Visitors can walk illuminated galleries past towering stalagmites after the train ride ends. A concert hall inside the cave has hosted performances for over a century.
Highlights:
  • 🐾 See the rare Proteus anguinus in underground waters
  • 🏰 Visit the dramatic cliffside Predjama Castle
  • 🚂 Explore the stunning Postojna Cave by electric train
Mammoth Cave National Park
World's Longest Known Cave System
7.6
Mammoth Cave holds more than 420 mapped miles, the longest known cave system on Earth. Explorers have mapped new passages here for close to two centuries. Visitors can tour lantern lit routes past towering underground gypsum formations. Blind cave fish and eyeless crickets live in the cave's deepest, darkest sections.
Highlights:
  • 🛶 Paddle the Green River through forested limestone valleys
  • 🕯️ Take a guided lantern tour through historic cave routes
  • 🕳️ Explore the vast underground chambers of Mammoth Cave
Mulu National Park
Lush limestone canyons echo ancient wildlife
8.7
Sarawak Chamber inside Mulu National Park ranks as the largest known cave chamber by floor area. Cavers only mapped its full size after a 1981 expedition pushed past the entrance passage. Visitors can trek through Clearwater Cave's long river passages on a guided tour. Limestone pinnacles rise sharply above the park's dense rainforest canopy.
Highlights:
  • 💦 Swim beneath Paku Waterfall's cascading spray
  • 🌄 Trek to Sarawak Panorama for sunrise vistas
  • 🏊‍♂️ Explore Clearwater Cave's crystal clear waters
Yucatán
Gateway to the Mayan world
8.5
Thousands of limestone sinkholes called cenotes dot the Yucatan Peninsula's porous bedrock. Ancient Maya considered these water filled caves sacred portals to the underworld. Visitors can snorkel or dive through cenotes lit by shafts of sunlight from above. Stalactites hang from ceilings in cenotes that once sat fully dry above sea level.
Highlights:
  • 🏛️ Visit the ancient ruins at Uxmal Archaeological Zone
  • 💧 Swim in the beautiful, crystal-clear Cenote Ik Kil
  • 🏯 Explore the iconic El Castillo pyramid at Chichén Itzá
Kentucky
Bluegrass Beauty and Bourbon Heritage
7.3
Lost River Cave carries an underground river beneath Bowling Green, Kentucky. Visitors can take a boat ride through the cave's largest known underground river passage. A butterfly habitat and walking trails sit above the cave's sinking entrance. Outlaw Jesse James is said to have hidden in the cave during the 1800s.
Highlights:
  • 🕳️ Explore the vast underground chambers of Mammoth Cave National Park
  • 🏇 Watch horses race at the legendary Churchill Downs
  • 🥃 Tour the world-famous bourbon distilleries along the Kentucky Bourbon Trail
Cappadocia
A surreal land of fairy chimneys
8.0
Derinkuyu's underground city once sheltered thousands of people across eighteen levels beneath Cappadocia. Ventilation shafts carried air down through the tunnels carved from soft volcanic rock. Visitors can walk through chapels, stables and kitchens hollowed into the underground levels. Stone doors could be rolled shut to seal off sections during attacks.
Highlights:
  • 🏰 Climb Uçhisar Castle for panoramic Cappadocia views
  • ⛪ Explore the rock-cut churches at Göreme Open-Air Museum
  • 🎈 Take a sunrise hot air balloon ride over fairy chimneys
Cayo District
Jungle adventures and ancient Maya ruins
7.0
Actun Tunichil Muknal holds a calcified Maya skeleton known as the Crystal Maiden. Ancient Maya used this Belize cave for ritual sacrifice more than a thousand years ago. Visitors can wade and swim through the cave's river before reaching the remains. Cameras are banned inside after a visitor once dropped one on an artefact.
Highlights:
  • 🌳 Visit the lush Mountain Pine Ridge Forest Reserve
  • 🛶 Tube through the caves of Actun Tunichil Muknal
  • 🏛️ Explore the ancient Maya ruins of Xunantunich
Austria
Alpine beauty meets imperial grandeur
9.1
Austria's Lurgrotte cave system stretches for more than five miles beneath the Alps. Guides once used only oil lamps to lead visitors through the cavern's dark passages. Visitors can walk past dripstone formations built up over thousands of years. A cable car nearby reaches one of the cave's two entrances.
Highlights:
  • 🚠 Ride the alpine cable car to Innsbruck’s Nordkette peaks
  • 🏰 Explore the baroque gardens and palace of Schönbrunn
  • 🎻 Attend a classical concert at Vienna’s Musikverein
Dunhuang
Desert Wonders and Ancient Art
7.1
Dunhuang's Mogao Caves hold Buddhist murals and manuscripts painted across nearly a thousand years. Monks carved these nearly 500 grottoes into a desert cliff along the old Silk Road. Visitors can view painted sculptures and ceiling murals inside a rotating selection of caves. A vast desert library of scrolls was discovered sealed inside one chamber.
Highlights:
  • 🏞️ Visit the serene Crescent Moon Lake oasis
  • 🐪 Ride camels and hike the dunes at Mingsha Mountain
  • 🕌 Explore the ancient Buddhist art in Mogao Caves
China
Great Wall, ancient cities and sweeping landscapes
8.9
Reed Flute Cave's colourful lit formations have drawn visitors to Guilin, China for more than 1,200 years. Stalactites and stalagmites fill the cave in shapes said to resemble animals and plants. Visitors can walk illuminated paths past a reflecting underground pool. Ink inscriptions left by past visitors still mark the cave's walls.
Highlights:
  • 🚤 Cruise the Li River amid Guilin’s karst peaks
  • 🗿 Marvel at the Terracotta Warriors in Xi’an
  • 🏯 Walk the Great Wall of China at sunrise
Oregon
Diverse Landscapes and Outdoor Wonders
7.9
Oregon Caves formed inside marble rather than the limestone typical of most show caves. Guided tours wind through narrow passages carved by an underground stream over millions of years. Visitors can duck through tight sections while following the cave's twisting original route. Old growth forest covers the mountainside above the cave's single entrance.
Highlights:
  • 🏞️ Explore volcanic Crater Lake National Park
  • 🌊 Drive the scenic Oregon Coast Scenic Byway
  • 💧 Hike to breathtaking Multnomah Falls viewpoint
Belize
Tropical paradise with diverse ecosystems
7.0
Belize's Great Blue Hole formed as a limestone cave whose roof collapsed beneath the sea. Divers descend past ancient stalactites hanging inside the submerged sinkhole's walls. Visitors can explore the site on a diving or snorkelling trip from nearby cayes. The hole drops more than 400 feet from the surface.
Highlights:
  • ⛵ Sail between tropical cayes across the Belize Barrier Reef
  • 🏛️ Explore ancient Mayan ruins at Xunantunich and Caracol
  • 🤿 Dive or snorkel the breathtaking Great Blue Hole
Brazil
Vibrant diversity meets natural wonder
7.8
Terra Ronca holds one of South America's largest cave systems within a Brazilian state park. Underground rivers carved more than 15 miles of connected passages through the limestone. Visitors can tour illuminated chambers past towering stalagmite formations. Bats roost by the thousands in several of the deeper galleries.
Highlights:
  • ⛪ Marvel at Christ the Redeemer atop Corcovado
  • 🎭 Dance samba with locals during Rio Carnival
  • 🌊 Experience the thunderous roar of Iguaçu Falls
France
Where culture meets natural diversity
9.5
Lascaux's painted caverns hold prehistoric artwork discovered by teenagers chasing a dog in 1940. Artists painted horses, bulls and deer across the walls roughly 17,000 years ago. Visitors can tour a detailed replica built nearby since the original closed to protect the art. The real cave stays sealed to prevent damage from breath and light.
Highlights:
  • 🎨 Visit the Louvre Museum and admire world-famous artworks
  • 🌳 Explore the historic palace of Versailles and its gardens
  • 🗼 Climb the Eiffel Tower for stunning city views
Australia
Land of savage beauty
9.6
Jenolan Caves rank among the oldest open caves discovered anywhere on Earth. Underground rivers carved these limestone chambers over 340 million years in the Blue Mountains. Visitors can tour illuminated passages past towering stalagmite columns. A natural stone arch marks the entrance early explorers once used.
Highlights:
  • 🌉 Climb Sydney Harbour Bridge for panoramic harbor views
  • 🌅 Watch the sunrise over Uluru in the Red Centre
  • 🐠 Snorkel or dive the Great Barrier Reef’s coral gardens
Italy
Where history meets dolce vita
9.3
Capri's Blue Grotto glows an intense blue when sunlight passes through an underwater opening. Boatmen row small skiffs through a low entrance visitors must duck to pass. Visitors can watch the water shift colour as the boat drifts through the cavern. Roman ruins nearby suggest emperors once used the grotto as a bathing pool.
Highlights:
  • 💧 Throw a coin into the Trevi Fountain in Rome
  • 🚤 Glide on a gondola through Venice’s romantic canals
  • 🖼️ Admire Renaissance art and architecture in Florence’s Uffizi Gallery
Philippines
7,641 islands of tropical wonder
6.5
Puerto Princesa's underground river flows for five miles beneath Palawan's limestone karst. Boats paddle visitors past stalactite formations lit only by handheld lamps. Visitors can spot swiftlets nesting in the cave's ceiling as the boat glides past. The river empties directly into the sea at the cave's far end.
Highlights:
  • 🛶 Cruise the emerald lagoons of El Nido, Palawan
  • 🦈 Dive with whale sharks in Oslob, Cebu
  • 🏖️ Relax on the powdery white sands of Boracay
Argentina
Land of diverse natural wonders
8.3
Cueva de las Manos holds hundreds of stencilled hand prints painted onto a canyon wall in Argentina. Artists made these images by blowing pigment around their hands nearly 9,000 years ago. Visitors can view the painted cliff face along a marked walking path. A visitor centre nearby explains the site's ancient hunting scenes.
Highlights:
  • 🥩 Taste authentic Argentine steak paired with Malbec wine
  • 💃 Dance tango in a traditional Buenos Aires milonga
  • 🌊 Marvel at the thundering Iguazu Falls from the Devil’s Throat lookout
Chile
Land of dramatic climate contrasts
8.3
Marble Caves' swirled blue and white walls sit carved into a peninsula on Chile's General Carrera Lake. Waves polished the marble into smooth curved chambers over thousands of years. Visitors can kayak or boat into the caves when the lake is calm. Water levels shift the caves' colour between turquoise and deep blue.
Highlights:
  • 🗿 Visit the iconic Easter Island moai statues
  • 🌋 Hike to the summit of the active Villarrica Volcano
  • 🏜️ Explore the surreal landscapes of the Atacama Desert
Ecuador
Compact country, immense biodiversity
6.5
Cueva de los Tayos winds deep beneath Ecuador's Amazon foothills, named for the oilbirds nesting inside. Explorers have searched these caverns for decades chasing local legends of hidden treasure. Visitors can join guided tours through chambers reachable only by rope and ladder. Oilbirds navigate the total darkness using a form of echolocation.
Highlights:
  • 🌍 Stand at the Equator at Mitad del Mundo
  • 🛍️ Visit the iconic Otavalo Market for local crafts
  • 🥾 Hike the stunning trails of Cajas National Park
Lesotho
Mountain kingdom in the sky
6.1
Kome Cave village holds sandstone dwellings built into a rock overhang in Lesotho's highlands. Basotho families sought shelter here from tribal raids during the 1800s. Visitors can tour huts still occupied by descendants of the original builders. Thatched roofs and mud walls fill the space beneath the overhanging cliff.
Highlights:
  • 🏞️ Discover Thaba Bosiu, the birthplace of the Basotho nation
  • 🐎 Ride a Basotho pony through mountain villages and valleys
  • 💦 Visit the majestic Maletsunyane Falls in Semonkong
Malaysia
Where tropical diversity meets culture
8.1
Deer Cave in Malaysia's Gunung Mulu National Park ranks among the largest cave passages by volume. Millions of bats stream out of the entrance each evening in a spiralling cloud. Visitors can watch the bat exodus from a viewing platform near the cave mouth. A rainforest canopy walkway nearby offers another angle on the park.
Highlights:
  • 🎨 Explore George Town’s colorful street art and colonial charm
  • 🏖️ Relax on the white-sand beaches of Langkawi Island
  • 🏙️ Admire the Petronas Twin Towers from the Skybridge in Kuala Lumpur
Portugal
Where history meets coastal charm
8.6
Algar do Carvao drops through a volcanic chimney into a cave on Portugal's Terceira Island. A small lake sits at the bottom, reflecting light from the open shaft above. Visitors can descend a staircase past walls streaked with mineral colours. Rare stalactites made of silica rather than limestone line the cave's upper walls.
Highlights:
  • 🌳 Visit Quinta da Regaleira’s mystical gardens and wells
  • 🎨 Wander the colorful streets of Alfama district
  • 🏰 Explore São Jorge Castle for panoramic Lisbon views
Spain
Where history meets Mediterranean charm
8.6
Altamira's ceiling holds polychrome bison paintings made roughly 36,000 years ago in northern Spain. Discovery of the cave in 1879 helped prove prehistoric humans created sophisticated art. Visitors can tour a detailed replica cave since the original closed to preserve the paintings. A museum next door displays casts of the original painted ceiling.
Highlights:
  • 💃 Watch an authentic flamenco performance in Andalusia
  • 🌿 Stroll through Seville’s Alcázar Palace and lush gardens
  • 🏰 Admire Gaudí’s architecture at Sagrada Família in Barcelona
Madagascar
Unique biodiversity meets diverse landscapes
6.5
Ankarana's limestone tsingy hides a network of caves carved beneath razor sharp stone pinnacles. Rivers here vanish underground for miles before resurfacing through hidden cave mouths. Visitors can explore chambers home to bats and blind cave fish found nowhere else. Lemurs move along canyon rims formed by collapsed cave sections above.
Highlights:
  • 🤿 Dive the coral reefs of Nosy Be Island
  • 🦎 Spot lemurs and chameleons in Andasibe-Mantadia National Park
  • 🌳 Walk the Avenue of the Baobabs at sunset
Borneo
Wild rainforests meet unique wildlife
7.9
Cave art found in Borneo's Sangkulirang Mangkalihat karst dates back at least 40,000 years. Researchers consider these hand stencils among the oldest known figurative art on Earth. Visitors can reach some caves only by boat through remote Kalimantan rainforest. Limestone towers rise steeply above the dense surrounding jungle.
Highlights:
  • 🦇 Explore unique limestone caves in Gunung Mulu National Park
  • 🦧 See orangutans up close at Sepilok Orangutan Sanctuary
  • 🏔️ Climb Mount Kinabalu for unforgettable summit views
Scotland
Mystic Highlands and Historic Castles
7.7
Fingal's Cave was formed from hexagonal basalt columns on Scotland's remote Isle of Staffa. Waves echo through the cave's chamber, inspiring a famous piece of classical music. Visitors can reach the cave only by boat during calm weather conditions. The columns closely resemble those found across the sea at Giant's Causeway.
Highlights:
  • 🏚️ Walk through the mysterious Real Mary King's Close
  • ⛰️ Hike up to panoramic views from Arthur’s Seat
  • 🏰 Explore the historic Edinburgh Castle in Old Town
Morocco
Where desert meets Mediterranean magic
7.7
Friouato Cave drops through a series of chambers ranked among the deepest caves in North Africa. A steep staircase carries visitors down more than 500 steps into the cave's main hall. Visitors can view stalactites and an underground lake deep within the limestone. Berber legend says the cave once hid forty thieves.
Highlights:
  • 🍵 Sip mint tea on a rooftop overlooking Chefchaouen’s blue streets
  • 🐪 Ride a camel across the golden dunes of the Sahara
  • 🕌 Wander through the colorful souks of Marrakech’s Medina
Patagonia
Untamed Beauty at the End of the World
8.3
Ice caves form each summer inside the slowly shifting ice of Argentina's Perito Moreno Glacier. Meltwater carves new tunnels through the glacier's blue interior nearly every season. Visitors can view the caves from tour boats since walking inside is unsafe. Chunks of ice occasionally break free and crash into the lake below.
Highlights:
  • 🐧 Explore the diverse wildlife on Peninsula Valdés
  • ❄️ Witness the massive Perito Moreno Glacier up close
  • 🥾 Hike the legendary trails of Torres del Paine National Park
Jeju Island
Nature's Island Paradise
8.6
Manjanggul lava tube stretches for miles beneath Jeju Island, formed by flowing volcanic lava. A 20 metre lava column stands inside one of the cave's widest chambers. Visitors can walk nearly a mile of the tunnel before reaching a barrier protecting bats further in. Ridged lava flow patterns still mark the tunnel's floor and walls.
Highlights:
  • 🏘️ Visit the colorful Jeju Folk Village Museum
  • 🦇 Explore the stunning Manjanggul Lava Tube caves
  • 🌄 Watch sunrise from the volcanic Seongsan Ilchulbong Peak
Phong Nha cave
Majestic Underground Wonder
Phong Nha Cave stretches for miles through Vietnam's Phong Nha-Ke Bang National Park. Boats carry visitors along an underground river deep into the limestone chambers. Visitors can drift past stalactites lit by strings of soft lighting. Son Doong, the world's largest cave passage, sits nearby within the same park.
Highlights:
  • 🧗‍♂️ Try adventurous ziplining and mud bathing nearby
  • 🪨 Explore stunning stalactites and underground lakes
  • 🛶 Cruise the Son River to enter Phong Nha Cave
Ajanta Caves
Echoes of ancient artistry carved in stone
Ajanta's 30 rock cut caves curve along a horseshoe shaped cliff above a gorge. Buddhist monks painted and carved these caves between the second century BC and 600 AD. Visitors can view faded murals depicting the Buddha's past lives inside several chambers. Jungle growth hid the caves until a hunting party rediscovered them in 1819.
Highlights:
  • 🚶‍♂️ Take a guided tour through the subterranean galleries
  • 🌅 Climb to the top of Cave 22 for sunrise
  • 🖼️ Explore ancient Buddhist cave paintings at dawn
Škocjan Caves
Majestic underground cathedral of Slovenia
Skocjan Caves hold one of the largest known underground canyons carved by the Reka River. A footbridge crosses the chasm more than 150 feet above the roaring water below. Visitors can walk narrow paths cut into the canyon walls past towering stalagmites. UNESCO listed the cave system as a World Heritage Site in 1986.
Highlights:
  • 🏞️ Climb to the viewing platform for panoramic cave vistas
  • 🚤 Ride the underground boat through the subterranean river
  • 🦇 Explore the vast stalactite chambers of Skocjan Caves
Eisriesenwelt
Underground wonder beneath alpine peaks
Eisriesenwelt holds the largest known ice cave system on Earth inside an Austrian mountain. Wind driven ice formations glisten across the cave's first several hundred metres. Visitors can carry carbide lamps while touring ice covered galleries carved from limestone. Deeper sections of the cave stay unexplored despite more than a century of mapping.
Highlights:
  • 👣 Join a guided tour to learn cave history
  • 💡 Witness dazzling stalactites illuminated by lanterns
  • 🕳️ Explore the vast underground cave network
Luray Caverns
Hidden limestone wonder beneath rolling hills
Luray Caverns holds the Great Stalacpipe Organ, the world's largest musical instrument by area. Rubber mallets tap stalactites tuned to strike notes across the cave's chambers. Visitors can hear the organ play automatically at set points during cave tours. A shallow reflecting pool nearby doubles the cave's ceiling in its still water.
Highlights:
  • 🏞️ Enjoy scenic overlooks of Luray Valley views
  • 🎶 Stroll over the iconic Great Stalacpipe Organ
  • 🦇 Explore underground galleries on guided cavern tour
Cango Caves
Echoing depths reveal ancient stalactite artistry
Cango Caves rank among Africa's oldest tourist caves, first opened to visitors in 1780. Dripstone columns here have grown inside the Swartberg foothills for millions of years. Visitors can choose a standard tour or a tighter adventure route through narrow passages. San rock art found near the entrance predates the cave's tourism history.
Highlights:
  • 👣 Take guided tour of ancient rock formations
  • 🌊 Witness underground river glow beneath stalagmites
  • 🕳️ Explore stalactite labyrinths in Cango Caves
Ellora
Three faiths carved in stone
Ellora's Kailasa temple was carved downward from a single basalt hillside rather than built up. Workers removed an estimated 200,000 tons of rock to shape the temple by hand. Visitors can explore 34 caves representing Hindu, Buddhist and Jain traditions side by side. Carved elephants appear to support the temple's base along its outer walls.
Highlights:
  • 🕉️ Admire Jain cave temples reflecting ancient spiritual teachings
  • 🧘‍♂️ Explore intricate Buddhist caves with detailed sculptures
  • 🛕 Marvel at the monolithic Kailasa Temple carved from rock
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