A historic Black graveyard hidden in the parking lot of one of America's largest malls.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

A prized globe signed by Amelia Earhart and Charles Lindbergh sits in the Brooklyn office of the American Geographical Society.

A rare example of World War I trenches from the British front.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

The home of the first American-born saint is one of the only curved buildings in New York.

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

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

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

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 inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

The early American colonists were such ferocious drinkers the law actually required every town to have a tavern.

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

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.