Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

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

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

Live long and prosper in Tennessee.

An annual festival celebrating Colorado's most famous frozen corpse.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

America's post-nuclear-attack chambers of Congress.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

From Japan to Italy, this California park explores the world's cultures through their gardens.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

What is the Thing?

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A spiritual vortex among the red rocks in Sedona.