Museum dedicated to awful artwork.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

In 1986, Keith Haring was arrested for painting this anti-drug mural on a Harlem handball court.

An annual extravaganza of Broadway theater memorabilia.

The "Seinfeld" diner.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A crumbling hospital from the 1850s on Roosevelt Island.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Historical figures from New York City's Catholic community reside in Midtown.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

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

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

This quirky curiosity shop takes its cues from the world's bazaars.

A Milanese café entirely designed by the American director Wes Anderson.