This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

The homestead of American patriot John Adams.

This railroad tunnel was once the longest in Massachusetts.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

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

Overgrown ruins of a turn of the century island fort that sees very few visitors.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

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

No one messes with the Massachusetts sacred cod, not this time...

Home to the Titanic Historical Society's collection.

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

Resonating tubes make music from highway overpass.

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

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

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

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

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

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

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

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