A house carved into a rock in the 1940s.

Oldest building in California still in use.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Visit the monolithic tomb of America's most famous general.

Avoid gangster interaction while window-shopping.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

An artist's cute bronze subway sculptures belie his violent artistic past.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Lie in a hammock where George Washington stood.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Prove you deserve to be fed by Kenny Shopsin.

A bit of retro transportation flair preserved in the world's largest department store.

“Invented in Key West, Perfected in Brooklyn."

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

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

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

Mysterious 500-year-old tapestries depict a unicorn hunt.