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.
Karaca Cave (Turkish: Karaca Mağarası) is a network of caves l
The Caves of Han-sur-Lesse (in French: Grottes de Han-sur-Lesse or
The Grutas de Cacahuamilpa National Park in Guerrero, Mexico, is best
Les muntanyes Barabar són un grup muntanyós de Bihar, principalment a
Les mines de sal de Wieliczka es troben a la ciutat polonesa de
Cave of the Winds is a cave in the Pikes Peak region of Colorado. It
Chislehurst Caves are a 22 miles (35 km) long series of tunnels in C
Les coves de Frasassi (en italià, Grotte di Frasassi) són una xarxa d
Luray Caverns, originally called Luray Cave, is a large, celebrated
La Muntanya de sal de Cardona és un diapir que creix cada any,
The Bochnia Salt Mine (Polish: kopalnia soli w Bochni) in Bochnia,
La gorja de Cheddar és el congost més gran del Regne Unit, prop del p
Meramec Caverns is an 4.6-mile (7.4 km) cavern system in the
Grand Caverns, formerly known as Weyer's Cave, is located in the