This railroad tunnel was once the longest in Massachusetts.

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

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

Over fifty whirling pools left by the glacial age.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Three prestigious academic collections come together to create a world-class natural history museum.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

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

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

The world's largest piece of copyrighted artwork.

This historic Boston building has gone from personal estate to porn theater and back again.

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

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

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

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

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