The once-abandoned 140-year-old hotel used in the movie "In Dreams."

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

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

Stumps of an Ice Age forest, visible only at low tide.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

This landmark cemetery in Boston was created more than 300 years ago.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Tragedy on Little Brewster Island memorialized.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

A stone memorial erected for New Hampshire's only convicted witch.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This unassuming stone commemorates a condiment factory gone up in smoke.