Frida Kahlo's childhood home, now a museum of her life and works.

Home of the "true" equator.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

“Invented in Key West, Perfected in Brooklyn."

An experimental, automotive replica of Stonehenge.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A eclectic collection of military memorabilia.

The only arched bridge made of stone on the entire Mississippi River.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Funhouse of found art and participatory sculpture.

An oddly poignant roadside attraction celebrating American folklore.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Stairs often replace streets on the steep slopes of this old mining town.

What is the Thing?

Limestone caves with spectacular showcase chambers.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A reproduction of earth's many biomes.

America's only nuclear missile silo open to the public.

The world's largest military aircraft cemetery.