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

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

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

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

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.

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

"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."

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

This historic mini-suspension bridge was swept away once but is now here to stay.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Final resting places of a husband and wife who became famous for their claims of extraterrestrial abduction.

Restaurant in a 1741 farmhouse that touts the story of its haunting on its menus.