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

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.

The naturally mummified body of a peasant girl saint.

An ancient Egyptian temple in the middle of Madrid, Spain.

Baroque celebration of the end of the Great Plague of Vienna.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.