The hidden offices underneath Memorial Bridge have been locked up since 1976.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

An abandoned water sports stadium that has become a haven for graffiti and decay.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

This Wild West attraction is alive with glitching automatons.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

A downtown park built on top of unclaimed graves.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

“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.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

This rustic old building is said to be the most photographed barn in America.

The largest outdoor art gallery in the Northwest United States.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.