This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

A unique sculpture park that specializes in the huge and bizarre.

Self-sufficient greenhouse floating on the Hudson River.

One-time largest man-made structure in the world will be a park in 30 years.

Wine bottle sculpture with a ship's stateroom inside.

A graffiti Mecca welcoming artists from around the world.

Sniff the Titan Arum's rotting flesh.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

Two New York rooftops are home to the largest rooftop soil farms in the world.

Read a book next to a Midtown waterfall.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

Three stories above you, your salad is being grown.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

NYC's legendary underground network for bovine transportation.

A semi-scholarly approach to sex.

Four cars from the old system were once on display, but were removed in 2014.

Check out the underground party scene at the "Burning Man of Brooklyn."

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

Detailed facade of a brownstone in Boerum Hill.

Cryptic messages embedded in the New York City sidewalk.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.