Oldest building in California still in use.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

Rumors of the occult haunt this upscale 1920s hotel.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

Final resting place of one of the classic authors of horror literature.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Museum dedicated to awful artwork.

Dim sum, served in a grand old theater.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The abandoned coal loading dock is a canvas for unsanctioned art.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

The famous author's cottage hideaway.

The oldest surviving synagogue in New York City is now a soaring art space.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

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

New York City's smallest piece of private property.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This little museum is built on a theater that was once a wildly elaborate speakeasy.