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.

Relics given to a Manhattan church to avoid seizure by the Italian government.

New York's oldest and possibly grandest keeper of books.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Nondescript elevator doors open to reveal a stunning, surreal world.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

From scholastic to sepulchral - now under reconstruction.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A legendary speakeasy bookstore returns from the brink.

A hands-on traveling collection of the innovative devices of yesteryear.

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

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

New York's oldest magic store.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

This ordinary set of steps is a must-see destination for fans of a certain romantic anime.

One of three official copies of Marcel Duchamp's enigmatic masterpiece is on display in an obscure Tokyo museum.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

Tens of thousands of tiny birds swarm into one school chimney every fall.

Japan's hottest hot spring has a memorable name.