Once America's longest-manned military fort, now an abandoned hulk.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Avoid gangster interaction while window-shopping.

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

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

A bit of retro transportation flair preserved in the world's largest department store.

Lie in a hammock where George Washington stood.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Sniff the Titan Arum's rotting flesh.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The "Seinfeld" diner.

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

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

One of only two commuter aerial tramways in the United States.

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

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

Elevated freight railway turned wildly successful urban park.

Tucked in the back of this amazing antique store is an important piece of medical history.

A terrific purveyor of natural history objects and curios.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.