This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

An empty mine that some believe will suddenly be filled with fortune and treasures at the end of the world.

The longest living non-clonal organisms on Earth.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

An eatery for UFO seekers on the Extraterrestrial Highway.

A self-built castle made by a mysterious man.

More than 21,000 images fill this overlooked gem of a prehistoric site.

The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

A museum dedicated to the alleged Roswell Incident.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

The man who wasn't there.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The only international border marker within the United States.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.