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

The oldest living tree in Manhattan comes shrouded in sinister legend.

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

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

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

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

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

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

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.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

A very classy 1920s-era bar right in Grand Central Station.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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.

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

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

A serene plaza that commemorates one of the Granite State's most iconic figures.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Eclectic architecture in the woods of New York.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."