© dal-web|Cango Caves (South Africa)

© dal-web|Jeita Grotto (Libano)

© dal-web|Kyaut Sae Cave (Myanmar)

© dal-web|Barton Creek Cave (Belize)

© dal-web|Carlsbad Caverns (USA)

© dal-web|Marble Caves (Cile)

© dal-web|Son Doong Cave (Vietnam)

© dal-web|Eisriesenwelt Ice Caves (Austria)

© dal-web|Aven Armand (Francia)

© dal-web|Waitomo Glowworm Cave (New Zealand)

© dal-web|Ellison’s Cave (USA)

© dal-web|Fingal’s Cave (Scotland)

© dal-web|Grotta Azzurra (Italia)

© dal-web|Cave at the Mutnovsky vulcano (Russia)

© dal-web|Dongzhong Cave (Cina)

© dal-web|Vatnajökull Glacier Cave (Iceland)

© dal-web|Phraya Nakhon Cave (Thailand)

© dal-web|Cueva de los Cristales (Mexico)

© dal-web|Reed Flute Cave (Cina)

© dal-web|Ordinskaya (Russia)