A mysterious echo seems to defy the laws of acoustics.

This throwback amusement park is home to rides and unique storybook figures from the past.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

Of all the unique artifacts inside this library, a mummified hand stands out among the others.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

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

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

Peek through the gates at this oasis from the city, full of Old English charm.

Nikola Tesla's former home contains an homage hidden from plain sight.

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

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A crumbling hospital from the 1850s on Roosevelt Island.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

Eccentric stone cairns built on a public New York City beach.

Final resting place of two dozen New York City harbor ships.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

This giant satellite antenna services the transmission needs of government agencies and cable programmers.