This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

A 60-room castle constructed by a horse-racing heir.

The world's largest collection of historic U.S. military naval vessels.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

The massive machine creates cracking displays of indoor lightning.

The site of Paul Revere's historic two lantern warning.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Millions of numbers carved in glass represent the tattoos forced upon victims.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This location of a Mexican chain restaurant has a unique location: an old jail.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

This Tudor-style mansion is home to the first roadside confectioner in the United States.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

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

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

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

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

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

Over 50 whirling pools left behind from the glacial age.

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