A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

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

Home to the Titanic Historical Society's collection.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

A stunning garden filled with fantastical environmental folk art and sculptures.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

A men’s restroom became a sandwich shop.

The site of the first "historically true" UFO encounter in the U.S.

These whimsical works of art tell the story of the city's past and present.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

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

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

This picturesque abandoned home is rumored to be a spite house.

It's not a typo, now say it five times fast!

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

Books you don’t need in a place you can’t find.

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

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

This railroad tunnel was once the longest in Massachusetts.