Ecosystems in Tennessee

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

The small cave that housed Tennessee's "first citizen."

The first full-scale tunnel built in America is short but scenic.

Home of an evil witch famous within southern folklore.

Visit this playground of waterfalls, caves and sinkholes.

Enormous lake at the bottom of a unique cave system.

More than five miles of underground passageways.

Mile-long cave system near Great Smoky Mountains.