A Manhattan office building is home to the world's largest chess board.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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.

100 massive sculptures in the Hudson River Valley.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Unrepaired walls from a 1920 anarchist bomb attack.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Detailed facade of a brownstone in Boerum Hill.

Visit the monolithic tomb of America's most famous general.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

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

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

One man's swirling six-acre monument of stone.

Walk over a 150 year old manhole.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

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

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

A natural gas leak provides a flickering flame beneath a waterfall.

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

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