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

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

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

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

More gold than anywhere else, ever.

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

Become a prohibition rebel.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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

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

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

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

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

Resting place of Hollywood's immortals is also site of summer film screenings.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

Mysterious library of an infamous financier and spiritual seeker.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Live long and prosper in Tennessee.