The self-proclaimed gateway to the Extraterrestrial Highway.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

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

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This once-derelict building is now one of the most beautiful bookstores in the world.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A mocking tribute to the past and modern leadership of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The most loyal of little dogs, or a Victorian era publicity stunt?

A solid steel plane designed to catch fire over and over again.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

A fascinating insight into daily life in the Eastern Bloc.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.