Where the Monitor was launched and ushered in the age of the "ironclads."

A modern addition to the Greenpoint skyline.

2 square block factory in Greenpoint erected in 1936.

Site of the first pathological and bacteriological research facility in the United States.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

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

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

The massive machine creates cracking displays of indoor lightning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

No one really knows how these old hobby horses got here, but the herd keeps growing.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The real-life site of Ichabod Crane's infamous gourd attack.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This picturesque abandoned home is rumored to be a spite house.

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