Mysterious 500-year-old tapestries depict a unicorn hunt.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

A way to take your secrets to someone else's grave.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

The 28-foot granite map plots the locations of 40 theaters in New York City.

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

An unassuming secret door once led to a legendary watering hole.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

Instead of hoofing it up steep stairs, residents can hitch a ride on this private lift.

This glamorous old building is said to have inspired the Tower of Terror.

This collector's home is a constant work in progress.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A living memorial to the trees London lost during the Great Storm of 1987.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

A statue of the original Pearly King is hidden in a church's crypt.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The television series' iconic giant foot was borrowed from this classical painting.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.