Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

One of only two remaining Victorian-era greenhouses in New York.

The most radioactive spot in New York City can also fix your muffler.

Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

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

A burial ground of rusting metal grave markers.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

A modern zoetrope on the New York City subway.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

A mass grave for victims of one of the city’s worst fires.

Sniff the Titan Arum's rotting flesh.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A modern day curiosity cabinet.

America's most famous piece of self-built architecture.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.