A New England ghost town features a trail of boulders etched with intriguing life lessons.

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

Friction between grains of sand cause a curious "singing" sound.

"Try not to knock anything over!"

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Civil War Fort on an island in the Boston Harbor.

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

Solar powered Spectacle Island features all-green facilities.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Memorial to a beloved puppeteer as well as all street performers.

Two thousand artifacts from around the world collected by one woman who loved to travel.

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

This impressive Boston holy house is the American mecca for Christian scientists.

Bouncing, delightful, mechanical art at the MIT Museum.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.