The Salt Cathedral of Zipaquirá (Spanish: Catedral de Sal de
Matka (Macedonian: Матка, meaning 'womb') is a canyon located west
Mammoth Cave National Park is a U.S. National Park in central
Batu Caves is a limestone hill, which has a series of caves and cave
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
The Grutas de Cacahuamilpa National Park in Guerrero, Mexico, is best
The Wieliczka Salt Mine, located in the town of Wieliczka in southern
La montaña de sal de Cardona es un diapiro que crece cada año, o
The Frasassi Caves (Italian: Grotte di Frasassi) are a remarkable
The Barabar Caves are the oldest surviving rock-cut caves in India ,
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
Phong Nha - Ke Bang (Vietnamese: Vườn quốc gia Phong Nha-Kẻ Bàng)
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
Cueva de los Verdes (Spanish for 'Greens' cave', because in the past
