A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

A unique local art exhibit that has continued to grow since 1989.

A notorious punk house turned co-op.

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

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

A modern zoetrope on the New York City subway.

Every dish is blessed in this basement eatery beneath a Hare Krishna temple.

Detailed facade of a brownstone in Boerum Hill.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

The Underground Railroad passed right through this historic Brooklyn Heights church.

Gang fights don't just happen on the streets, they happen under them too.

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

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

Play heads or tails with thousands of different coins.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.