A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

A distinctive former power plant turned university lecture hall looks like it could make you breakfast.

This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

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

Twisted buildings adorn the banks of the Rhine river.

The world's biggest pet store.

The monumental home of Prussia’s eccentric "Cannon King."

No need to strap in for a "ride" on this walkable roller coaster.

This painted Lego bridge is the product of over a century of locomotive history.