A burial ground of rusting metal grave markers.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A serene garden path lined with 36 haiku stamped into clay stones.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The symbol was surreptitiously built into the river bank by German prisoners of war.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The house's confection-like decorations are the result of one man's painstaking work over decades.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

The world's first commercial spaceport is a disappointment of cosmic proportions.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

There aren't too many operational funiculars around, but Pittsburgh has two!

Hundreds of caves once used to store grains and animal feed.