The once highest point in China blends symbolic design with a kick of adrenaline.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Step inside Lucy, the world's largest "elephant."

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

A world-class collection of mechanical musical instruments and automata.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

The most confusing clock in New York.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.