This historic, century-old theater is still in operation.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

A historic dam made famous for its turbines and feature in a Hollywood classic.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

When ecosystems collide in the arid Southwest.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

A hotel with a rich Wild West history of miners and bootleggers.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A little-known hot spring haven right below the highway.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

This Rocky Mountain mansion was the luxurious home of the authoritarian leader of a company town.

Even in death, he's still your huckleberry.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

A tunnel with windows, so you don't miss out on the impressive views.