This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

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

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

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

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

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

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

The massive machine creates cracking displays of indoor lightning.

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

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

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

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

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

This is the house that spite built.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

A unique columnar residence built in the 19th century.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

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

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.