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

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

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.