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

Mysterious 500-year-old tapestries depict a unicorn hunt.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Try not to get slimed in Tribeca.

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

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

This former lieutenant governor's home is brimming with curiosities.

Mysterious library of an infamous financier and spiritual seeker.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.