Czech explorers confirm that a hidden thermal lake in Leskovik (Albania) is the largest underground: 294,350 cubic feet.

Covering about 850 kilometres, the Hot Springs Circle Route links more than a dozen hot springs in B.C.’s Kootenay Rockies ...

Hidden beneath the surface lies an incredible cave system featuring 50-foot waterfalls, flowing mineral formations, and vast, ...

If you're looking for a fun city with small-town charm, check out this spot with plenty to see and do -- including a one-of-a-kind cavern adventure.