The Salt Cathedral of Zipaquirá (Spanish: Catedral de Sal de
Matka (Macedonian: Матка, meaning 'womb') is a canyon located west
El Parc Nacional de Mammoth Cave (Mammoth Cave National Park en
Les coves de Batu (tàmil: பத்து மலை; xinès: 黑風洞) és un conjun
Saeva dupka (Bulgarian: Съева дупка) is a cave in Northern Bulgaria
Howe Caverns is a cave in Howes Cave, Schoharie County, New York.
The Caves of Han-sur-Lesse (in French: Grottes de Han-sur-Lesse or
Karaca Cave (Turkish: Karaca Mağarası) is a network of caves l
Les mines de sal de Wieliczka es troben a la ciutat polonesa de
La Muntanya de sal de Cardona és un diapir que creix cada any,
The Grutas de Cacahuamilpa National Park in Guerrero, Mexico, is best
Les coves de Frasassi (en italià, Grotte di Frasassi) són una xarxa d
Les muntanyes Barabar són un grup muntanyós de Bihar, principalment a
Cave of the Mounds, a natural limestone cave located near Blue Mounds,
Luray Caverns, originally called Luray Cave, is a large, celebrated
Chislehurst Caves are a 22 miles (35 km) long series of tunnels in C
El parc nacional de Phong Nha – Kẻ Bàng (en vietnamita Vườn quốc gi
Cave of the Winds is a cave in the Pikes Peak region of Colorado. It
The Bochnia Salt Mine (Polish: kopalnia soli w Bochni) in Bochnia,
Meramec Caverns is an 4.6-mile (7.4 km) cavern system in the
La cueva de los Verdes és una cova que forma part del tub volcànic s
