The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

An artist's cute bronze subway sculptures belie his violent artistic past.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

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

Lie in a hammock where George Washington stood.

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

Slyly buy a shake in the Parker Meridien lobby.

Cryptic messages embedded in the New York City sidewalk.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

An unassuming secret door once led to a legendary watering hole.

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.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

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

Elevated freight railway turned wildly successful urban park.

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

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