Malcolm X's house during his most formative years faces an uncertain future.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

One of the now-less-hidden floral gems of the "Emerald Necklace."

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Unicorns, elephants, and bears, oh my!

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

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

A centuries-old church stands as a testament to Boston's "father of architecture."