Rummage through this sunken ship, but leave your scuba gear at home.

An unconventional space for art and science housed in a massive old warehouse.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

Detailed facade of a brownstone in Boerum Hill.

An artist's cute bronze subway sculptures belie his violent artistic past.

The notorious headquarters of a corrupt political machine.

A hip bar decorated with walls of golden skulls.

This innocent-looking townhome is actually a subway exit.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Salute the leader of the proletariat.

New York City's smallest piece of private property.

Phil Mortillaro uses keys to bring art back to the Village.

A hidden "place of interment for gentlemen."

Gang fights don't just happen on the streets, they happen under them too.

A dilapidated dock tells the story of Titanic's missed arrival.

Walk over a 150 year old manhole.

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

Discover the taste of mold.

Avoid gangster interaction while window-shopping.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

This massive melon is a recreation of a similar gate from the Pan-American Expo.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

The rusting hulk of a hand-powered, nearly 160-year-old submarine abandoned in 1869 due to the ravages of decompression sickness.