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

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

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

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

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

This bridge was constructed from the rubble of the infamous Bastille.

Historic medieval fortified city in southwest France.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

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

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

The final resting place of the great navigator, or maybe his brother.

Climb inside an iron crystal magnified 165 billion times its normal size.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A little sculpture with a large wardrobe.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Cozy basement bar sports an inventory of over 2,000 beers.

A surreal statue honoring Prague's favorite literary son.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Monument to a suicide protesting the Soviet invasion.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.