An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Play heads or tails with thousands of different coins.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

A Manhattan office building is home to the world's largest chess board.

Hear the tales of New York's most notorious criminals.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Unique antiquarian shop specializing in globes, maps, and prints.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

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

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

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

New York City's smallest piece of private property.

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

A hip bar decorated with walls of golden skulls.

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