Protecting the future of some of the rarest and most misunderstood mammals of North America.

The former hotel where Tesla invented the radio.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

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

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

An unrealized dream to wirelessly electrify the entire Earth.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

Avoid gangster interaction while window-shopping.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A long abandoned hospital building on the outskirts of NYC.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Bowl in splendor, if you're lucky.

During the holidays, a vintage subway train whisks New Yorkers back in time.

This semi-hidden Manhattan restaurant is based out of a loading dock.

The loneliest island in New York.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.