Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

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

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A hidden "place of interment for gentlemen."

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

Avoid gangster interaction while window-shopping.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

One of the last Jazz Age "Wonder Theaters" in New York City.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Become a prohibition rebel.

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

A celebration of capitalism in Midtown.

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

More gold than anywhere else, ever.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.