It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

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

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

One man is on a singular quest to name an island after a famous hip-hop artist.

The grave of Mary Nasson is shrouded by witchy legends.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Dedicated to one of the darkest moments in Irish history.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

Historic Hull Street was actually the first street with a proper name in the Boston area.

A mysterious stone embedded at the base of a historic Boston building.

This historic patch of real estate offers a glimpse of colonial Boston.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

These whimsical works of art tell the story of the city's past and present.

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

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

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

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