Experience what life was like in Ireland during the Viking and medieval ages.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

The final resting place of an outlaw, whose legend grew after death.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

Meet the bronze beloved pet to a family of famous peeing statues.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Macabre museum devoted to historical Viennese murders.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A unique hotel for the artistic soul.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

The world's second-longest burning light bulb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A gas station has taken the place of the home of the 19th American President.

Inside houses a vast collection of military aircraft and missiles spanning the ages.