An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

This Italian ski resort rose to fame when Benito Mussolini was held prisoner there and then rescued by the SS.

What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

An architectural oddity where the triglyphs of the courtyard of walls create an optical illusion.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

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.

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

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

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A museum dedicated to secret surveillance.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.