Red frames showcase remnants of one of New York's original subway stations.

A hidden "place of interment for gentlemen."

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

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.

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

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

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

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.

This slender three-story building has also had several famous residents.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

The futuristic test model of an iconoclastic visionary who wanted to redesign the world.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

The snowbirds here are circus sideshow performers.

A Circus legend leaves an unexpected endowment.

An eclectic treasure trove of maritime marvels.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Noble beasts perhaps, but not the Emperor's dogs.

This 19th-century church is now a popular roller rink.

This eatery transports diners to a place that no longer exists: East Germany.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.