A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

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

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

The headquarters in Salem doubles as an occult art gallery.

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."

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

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

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

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

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

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

"Mock all and sundry things, but leave the saints alone."

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

An Irish cemetery filled with victims of political strife and violent conflict, including the grave of Bobby Sands.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.