A mysterious stone embedded at the base of a historic Boston building.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

"Mock all and sundry things, but leave the saints alone."

The bears may be gone, but their old cages can still be found.

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

Narrowest house in Boston.

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

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

Beautiful steampunk ghosts of early Massachusetts.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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

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

Dim sum, served in a grand old theater.

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

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.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.