Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

The largest mosque in Germany.

This 19th-century fountain features sculptures of little gnomes that help with chores.

This little jewel of post-war religious architecture is hidden inside the Diocesan Museum, which swallowed it when it was built.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

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

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Two very different statues celebrate the literary legacy of this medieval Dordogne town.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A quaint medieval harbour where Benjamin Franklin landed in 1776.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

The "Prussian Versailles" that is as glorious today as when it was built.

A quaint Russian village in the middle of a German metropolis.

Berlin's old airport.

The most visited, and possibly most controversial, museum in Germany.

Largely overlooked, this little fountain on Museum Island is a whimsical tribute to a Prussian king nicknamed the “Fatty Flounder.”

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.