This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

European castle ruins in an American state park are actually the product of death and grief.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The world's third-largest scale model of the planets.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

Abandoned silver mine strewn with wrecked and twisted structures.

This abandoned prison castle has become an imposing gallery of graffiti art.

If astronomy had a ghost, it would look like this observatory.

This shop for all your super spy needs hides an educational secret.

A Bibliophile's Dream.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."