Built by the patriotic residents of Boonsboro in a single day.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

The whole world in one water tank.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

Ship skeletons haunt Baltimore's waterways.

This former asylum for Black Americans is haunted by its history of violence and racism.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

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

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

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

One of the few brewers in the U.S. experimenting with hop-free beers.

A historic neighborhood church is reborn as a psychedelic arts collective.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Radical Bookstore and Community Space.