This spectacular track has run continuously since 1882.

An inconspicuous footbridge beloved by San Diego locals.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

Less a museum than a bizarre fantasy world created by artists and engineers.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

This charmingly homemade amusement park has been growing for 40 years.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A celebration of capitalism in Midtown.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

European castle ruins in an American state park are actually the product of death and grief.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The second oldest continuously operating bar in Louisiana.