A controversial art piece that harkens back to local folklore.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

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

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

"The prettiest love letters in the world" ... or so said Lord Byron.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Bouncing, delightful, mechanical art at the MIT Museum.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

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

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

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

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

The massive machine creates cracking displays of indoor lightning.

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

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The oldest living cultivated fruit tree in North America.

A cave dug by a man directed by ghosts to find pirate treasure.

One man's eclectic collection of treasures found at sea.