Strange red rock formations that have been attributed to a higher power for hundreds of years.

A spiritual vortex among the red rocks in Sedona.

Giant granite rocks standing end-to-end like a train of circus elephants.

Erosion and time have created a naturally-formed water park.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Curious cave that stays a cool 56 degrees all year long.

Impossibly life-like natural history models created out of glass by a father and son.

Stumps of an Ice Age forest, visible only at low tide.

A museum dedicated to "science, history and the arts" little changed since 1915.

Birthplace of America's first documented serial killer.