Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This tiny museum's sizable collection is jammed into a former underground public toilet.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

An encyclopedic collection of mammal penises.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The footprint of a frustrated devil in Munich's Cathedral.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

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

"Drunken ship" sculpture memorializing the French poet in the city where he died.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

A tiled, multi-level garden of survival in Lyon.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.