The former hotel where Tesla invented the radio.

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

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

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

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

Once America's longest-manned military fort, now an abandoned hulk.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

“Invented in Key West, Perfected in Brooklyn."

The first and only carousel with a lineup entirely of insects.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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

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

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

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

The "Seinfeld" diner.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Grab a latte at the birthplace of modern American skateboarding.

Every Saturday morning, this microbakery fills up with freshly baked pastries and sourdough breads.

Restoring faith in humanity one pie at a time by selling stellar baked goods on an honor system.