Nondescript building owned by ExxonMobil working on siphoning Greenpoint Oil Spill out of the ground.

Offbeat arts organization that hosts exhibitions, events, and explorations.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

A collaborative art project that transformed a neighborhood in NYC's Queens.

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

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

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

Sip coffee and talk politics at this landmark cafe in Astoria's Little Egypt, a contender for the title of America's first hookah bar.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

2 square block factory in Greenpoint erected in 1936.

Nondescript elevator doors open to reveal a stunning, surreal world.

A graffiti Mecca welcoming artists from around the world.

Townhouse facade doubles as an RMS Titanic Memorial.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

The place where Samuel "Slater the Traitor" brought the Industrial Revolution to America.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The heaviest gold coin ever minted.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

According to one story, this burial mound is made up of stones that represent the casualties of a major battle.