CaveDB
96 caves, caverns, and underground formations worldwide. From the deepest abyss to the most stunning crystal chambers.
Record Holders
Mammoth Cave
The longest cave system in the world with 685 km of surveyed passages. Named a UNESCO World Heritage...
Krubera-Voronya Cave
The deepest known cave on Earth at 2,197 m. Located in the Arabika Massif. Takes about a week to rea...
Son Doong Cave
The largest known cave passage in the world by volume. Contains its own weather system with clouds a...
Lechuguilla Cave
The deepest cave in the US at 489 m and fifth longest in the world. Contains rare and beautiful form...
Sistema Ox Bel Ha
The longest underwater cave system in the world at 435 km. Located in the Yucatan Peninsula. Connect...
Jewel Cave
The third longest cave in the world. Named for calcite crystals that sparkle like jewels. Over 354 k...
Prehistoric Art
Chauvet Cave
Contains the oldest known cave paintings, dating to 30,000-32,000 years ago. Over 1,000 images of an...
Altamira Cave
Called the Sistine Chapel of Paleolithic Art. The bison ceiling is the most famous prehistoric paint...
Cueva de El Castillo
Contains the oldest known cave painting in the world, a red disk dated to 40,800 years ago. Over 150...
Kapova Cave
Contains over 150 Paleolithic paintings in red and black. Images include mammoths, horses, and bison...
Magura Cave
Contains prehistoric paintings made with bat guesso. Over 700 drawings spanning different periods. U...
Stunning Formations
Cueva de los Cristales (Naica)
Contains the largest natural crystals ever found, up to 12 m long. Temperature is 58C with 99% humid...
Blue Grotto
A sea cave illuminated by an otherworldly blue light. Sunlight enters through an underwater opening ...
Waitomo Glowworm Cave
Famous for its ceiling covered in thousands of glowworms that create a starry sky effect. The Arachn...
Eisriesenwelt
The largest ice cave in the world. The ice formations change annually. Extends 42 km but only the fi...
Fingals Cave
A sea cave with perfectly hexagonal basalt columns forming the walls. Named after the hero of an epi...
Reed Flute Cave
Named for the reeds growing outside that make flutes. Contains inscriptions dating to 792 AD, the Ta...