This haunting monument honors the victims of 9/11.

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

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Step inside Lucy, the world's largest "elephant."

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

At night, this glittering musical tunnel draws skaters and photographers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

An artist of the American Revolution is entombed beneath the Yale art gallery he founded.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

The headquarters of the famous Yale society.

This once-forgotten African American cultural hub was an important stop on the Underground Railroad.

Despite its extensive history, this fort saw little to no combat.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Turns out you can see the world without ever leaving Maine.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

This 19th century granite fortification is one of the most well preserved forts in New England.

The most photographed house in Maine looks good enough to eat.

This tiny patch of arid sand sits in one of the greenest states in the United States.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

A mountain pass used by Prohibition-era bootleggers to facilitate traffic into and out of Canada from Vermont.