On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

Whimsical artist house in the New Jersey woods.

Detailed facade of a brownstone in Boerum Hill.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

This former lieutenant governor's home is brimming with curiosities.

A kaleidoscopic warehouse-maze of handmade neon signs.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Climb inside an iron crystal magnified 165 billion times its normal size.

World-famous, Pink's still manages to keep its prized cult fetish status.

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

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

New York City's smallest piece of private property.

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

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

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

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

The "Seinfeld" diner.

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