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

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A complimentary beverage is offered to the bodega's resident rodents every day.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A Hungarian pharmacy museum with a box full of mummy powder.

Museum dedicated to the terror regimes of Hungary.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Electrical curiosity museum housed in an old transformer station.

Legends surround an ancient tree trunk riddled with nails for good luck.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

The beautiful baroque library of the Hapsburg empire.