A house carved into a rock in the 1940s.

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

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

Pilgrimage site for star-crossed lovers.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A church of bones, decorated with 40,000 human skeletons.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Population: 1.

Massive still life just off the highway in Kansas.

One of few remaining antique carousels with stationary animals in the U.S.

Possibly the world's only drive-in movie theater with an attached motel.

When ecosystems collide in the arid Southwest.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

Roaming bison and a spectacular view at the highest point in Nebraska.

The highest bridge in America was built for an almost unnervingly small amount of money.