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

This spectacular track has run continuously since 1882.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The highest bridge in America was built for an almost unnervingly small amount of money.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

This naturally-sourced hot spring is now home to a clothing-optional resort.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The cave where two British judges hid in exile after sentencing the king to death.

Who knew the Devil's domain was a hot spot for tubing?

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The intriguing personal collection of a professional demon-chaser.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

A beautiful, water-filled quarry that has become a popular haunt for swimmers and artists.

An unsolved murder victim's grave which may or may not contain her body.

This candy-striped tower is the farthest east you can go in the United States.

Working wool mill used as the exterior for the mill in the 1990 horror film "Graveyard Shift."

A giant telephone commemorates the last "crank" call ever made in the U.S.

The largest tidal whirlpool in the Western Hemisphere.