A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

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

An aptly-named street near the birthplace of the modern LGBT rights movement.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

A grave dedicated to the pioneers who settled California.

This 18-foot-tall steel lotus is a meditation on ecological crisis that originally appeared at Burning Man.

The only thing still moving in this town is the eponymous hot spring.

Out of a labyrinth of abandoned tunnels and stops, this Queens subway station is arguably the most mysterious—if it exists at all.

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

In the recreated studio of a visionary artist, a stone that may be more than meets the eye.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

There's nothing creepier than a cemetery next to a clown motel.

A tree bears footwear on the loneliest road in America.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

This sign designates the road that leads to the infamous Area 51.

An errant donkey ushered in a new era of mining in Nevada.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

In the middle of a remote desert town is a surprisingly opulent hotel.

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

The longest living non-clonal organisms on Earth.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.