Love, knishes, and best wishes from this legendary Lower East Side bakery.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

The poet's been ambling through these New York woods since 1940.

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

This once-private estate is now a dreamy, meditative garden that's open to the public.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

The lost town of Neversink, sunk by New York City.

This Central New York ghost town was once a prosperous railroad community.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

A beautiful, historic location open to the public.

Because holiday cheer is at its finest when it includes eerie mannequins, right?

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

"A hideous albatross in the Hudson River Valley."

Astonishing collection of helmets, scientific instruments, and medical models.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.