This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Dedicated to a colonial woman who was hanged for being a Quaker.

A gigantic 10-foot tall stone man.

One of only two commuter aerial tramways in the United States.

A semi-scholarly approach to sex.

The artwork commemorates the many ways 20th-century people perished while on the clock.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

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

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

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

Dedicated to one of the darkest moments in Irish history.

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

This whimsical fountain pays tribute to Toronto's four-legged friends.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

Narrowest house in Boston.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

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

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

A castle built for love, and abandoned due to heartbreak.