Situated close to Oudtshoorn is one of the world s great natural wonders sculptured by nature through the ages - fascinating limestone formations in a wide variety of colours

Thailand seakayaking and adventure tours in Phuket, Phang Nga, Krabi, Samui, Tarutao, Khao Sok and Southern region by local phuket paddling tour operators that discovered the limestone caves (Hongs) in phang nga bay 13 years ago

Guided tours through a natural limestone cave, offering gemstone mining outside and a unique gift shop inside.

Underground since 1957

Shastagrotto.homeunix.net, a site devoted to the knowledge and understanding of caves.

These pages include caving, caves, showcaves, speleology, vulcanospeleology, lava, speleothem, and anything about speleology

Online presentation based upon excerpts from the California Underground exhibition from the Oakland Museum of California.

These pages include caving, caves, showcaves, speleology, vulcanospeleology, rescue, lava, speleothem, and anything about speleology

Poole's Cavern is a 2 million year old, natural limestone cave situated in the beautiful woodland of Buxton Country Park in Derbyshire the Peak District Tel 01298 26978

Cave descriptions, surveys, photos, science, and archaeology around the enclosed depression of Matienzo, in Cantabria, northern Spain.