This abandoned factory on the Hudson River once churned out a million bricks a week.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

There must be a pun in this haystack somewhere...

A notorious punk house turned co-op.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Commemorating the spot where the famous scientist fed his pigeons.

Sniff the Titan Arum's rotting flesh.

An artist's cute bronze subway sculptures belie his violent artistic past.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Lie in a hammock where George Washington stood.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

Tucked in the back of this amazing antique store is an important piece of medical history.

A terrific purveyor of natural history objects and curios.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

This working class sculpture pounds his hammer all the livelong day.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A wall of chewing gum moonlights as collective art.