Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

One man's remarkable private collection of art from around the world.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A popular European tradition makes its way to the states on one of America's most famous bridges.

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

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Dedicated to one of the darkest moments in Irish history.

This statue intended for children to enjoy became a minor political spat.

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

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 landmark cemetery in Boston was created more than 300 years ago.

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

A collection of full-size movie monsters opened to the public.

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

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

The headquarters in Salem doubles as an occult art gallery.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Catacombs turned marketplace.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

An artistic tribute to the famous singer, just around the corner from where he was born.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.