This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

This rustic old building is said to be the most photographed barn in America.

A UFO scrapyard in the California desert.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

This elaborate towering structure was once famed for its revolutionary height.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A 131-year-old wunderkammer of Texas history.

A tiny waterway named after a ghost story.

A popular swimming hole that hides one of America's most deadly diving spots.

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

A white oak with property rights.

Theater has had many different incarnations but has survived the ravages of time.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A monument to the art of slicing people open.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.