This historic Amsterdam bar used to accept sailor's monkeys as payment.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

An outlandish shoe shaped house built by an eccentric millionaire.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

When ecosystems collide in the arid Southwest.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Even in death, he's still your huckleberry.

The humble horn finally finds a place in the sun.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A building so large that it has its own weather.

The world's brightest bioluminescent bay.

On this Puerto Rican island, many abandoned naval ammunition bunkers sit open while a few have been padlocked by locals as personal storage.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

The world's second largest single-dish radio telescope, once used to contact E.T.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A water pumping station disguised as a residential home to assuage concerned neighbors now tricks most passersby.

Where a staggering 747 ships were constructed during World War II.

Paths are maintained, but trees have taken over plots.