A crumbling hospital from the 1850s on Roosevelt Island.

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

A sculptural commentary on capitalism pokes up from the East River.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

The world's largest public collection of PEZ memorabilia.

This large boulder was used as a lookout point by Revolutionary War militiamen.

This enormous abandoned factory is now a makeshift graffiti gallery.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A classic roadside attraction on Vermont's historic Route 5.

The last vessel built by a submarine pioneer stands as a monument to his legacy.

A cave dug by a man directed by ghosts to find pirate treasure.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

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

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over fifty whirling pools left by the glacial age.

A monument to the Mohawk people stands along an old Native American trade route.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

A historic lighthouse steeped in rumors of ghost and pirate stories.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.