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

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

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

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

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

A mysterious collection of stones stand outside a small New England town.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

A cave dug by a man directed by ghosts to find pirate treasure.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

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

Beautiful steampunk ghosts of early Massachusetts.

A historic bridge with a lovely acoustic anomaly.

Over 50 whirling pools left behind from the glacial age.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

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

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

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

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

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

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