A prohibition era watering hole for the police.

This once-private estate is now a dreamy, meditative garden that's open to the public.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

"A hideous albatross in the Hudson River Valley."

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

A mysterious echo seems to defy the laws of acoustics.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

The notorious headquarters of a corrupt political machine.

The site of the deadly Triangle Shirtwaist Factory Fire.

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

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

New York City's only preserved family home from the 19th century.

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

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

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

Sniff the Titan Arum's rotting flesh.

One of only two commuter aerial tramways in the United States.

The "Seinfeld" diner.

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

A crumbling hospital from the 1850s on Roosevelt Island.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

An office built to look like a giant basket.