Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

These ornate manhole covers were used for a now-forgotten purpose.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

New York City's smallest piece of private property.

The oldest living tree in Manhattan comes shrouded in sinister legend.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A reminder to choose water over wine since 1888.

A cargo of beautiful music.

Lie in a hammock where George Washington stood.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Walk into the 19th century without leaving Brooklyn.

A decommissioned military complex that's now a modern industrial park.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This secluded ruin was once a home for exotic plants.

Sniff the Titan Arum's rotting flesh.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.