Civil War Fort on an island in the Boston Harbor.

Solar powered Spectacle Island features all-green facilities.

The world's largest piece of copyrighted artwork.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

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

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Statue commemorating the use of ether in anesthesia.

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.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

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

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.