Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

This church combines Christian, Byzantine, and ancient Greek architectural elements.

This Greek Orthodox church houses the mummified body of St. Spyridon.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

These pretty kitties killed and ate as many as 135 railway workers.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

A memorial to the atrocities of the People's Socialist Republic of Albania.

A museum dedicated to secret surveillance.

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

What happens when you cross a mayor and a painter?

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

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

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

An ancient knight and a symbol of the city's freedom.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

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 curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

The largest timber structure in Europe.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

This pedestrian bridge in Croatia is a sleek, ship-inspired design with a fun net and social spaces.

Construction of this bridge was once described as an "act of violence" against a neighboring country.