The Salt Cathedral of Zipaquirá (Spanish: Catedral de Sal de
Matka (Macedonian: Матка, meaning 'womb') is a canyon located west
マンモス・ケーブ国立公園(マンモス・ケーブこくりつこうえん、Mammoth Cave National Park)とは、アメリカ合衆国ケンタッキー州中央部にあるアメリカ合衆国の国立公園の1つであ
バトゥ洞窟(バトゥどうくつ、Batu Caves)は、マレーシアの首都クアラ・ルンプール近郊
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
The Barabar Caves are the oldest surviving rock-cut caves in India ,
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
The Frasassi Caves (Italian: Grotte di Frasassi) are a remarkable
Luray Caverns, originally called Luray Cave, is a large, celebrated
La montaña de sal de Cardona es un diapiro que crece cada año, o
The Bochnia Salt Mine (Polish: kopalnia soli w Bochni) in Bochnia,
Cheddar Gorge is a limestone gorge in the Mendip Hills, near the
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