This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

The first mosque in the world to receive electricity.

Oriental bazaar in the heart of Sarajevo.

Bridge that died in war and was resurected.

A curious cave church carved into the face of a cliff.

Its frescoes depict the likeness of Marshal Tito, Karl Marx, and Friedrich Engels burning in hell.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

This one-room museum is dedicated to Norwegian history and jokes.

The world's northernmost aquarium looks like it has fallen over.

The world's first and only escalator for lazy bicycles and their daunted riders.

This massive glowering Lenin head gazes out over eastern Siberia.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.