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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

Friction between grains of sand cause a curious "singing" sound.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Dim sum, served in a grand old theater.

Museum dedicated to awful artwork.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

An eccentric inventor's castle home with its own indoor weather system.

The Boston square dedicated to the dark poet who was born nearby.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A beautiful Victorian-era cemetery, complete with a miniature village.

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

An enormous, inside-out glass globe built in 1935.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

A memorial to an ill-fated Holy Land mission once described by Mark Twain as “a complete fiasco.”

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

On Hurricane Island, a former ghost town has been transformed into a forward-thinking research center.