Salute the leader of the proletariat.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

An accidentally hidden library containing the ephemeral history of New York.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

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

Plot your trip through the city on the sidewalk.

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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

New York's oldest magic store.

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

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

Try not to get slimed in Tribeca.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

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

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.