Caves

An underground wonderland in Iowa.

It's said that visitors can "see" Tasmania inside this cave.

Deep underground, the rusting remains of a German water pumping station from World War II.

Local legends say that a giant who tried to destroy a nearby church lived in this rock cave.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

This restaurant serves wood-fired fare served in a natural cave with a live spring.

The largest riverfront opening cave in the Ozarks.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

Packed with geological formations, an ancient river, and taxidermied seals, this overlooked coastal cave system is worth a spelunk.

William Buckley escaped from prison and is said to have spent years hiding in this seaside cave.