This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

An annual extravaganza of Broadway theater memorabilia.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

Hiroshima survivor on Riverside Drive.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Series of storm drains connected to a dark urban legend.