Austria’s oldest brewery makes beer with flaming-hot granite.

Be(w)ar(e) the moat around this historic Czech castle.

A dragon-shaped fountain that is said to dispense healing water—unless you're evil.

"Holy Wisdom" overlooks the city that became its namesake.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

Eastern Bloc nostalgia, anybody?

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A collection of art from Bulgaria's time as a communist state.

This historic black and white monastery is one of Bulgaria's architectural jewels.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

At this 16th-century monastery in rural Bulgaria, visitors can also spend the night.

The remarkably well-preserved final resting place of a powerful ancient Thracian king.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

An abandoned saucer-shaped monument in the Bulgarian mountains.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Baroque celebration of the end of the Great Plague of Vienna.

Legends surround an ancient tree trunk riddled with nails for good luck.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A glimpse into the festive and private lives of medieval Europe.

This museum is dedicated to the little known ancient Roman history of Vienna.

Macabre museum devoted to historical Viennese murders.

The final resting place for the remains of 143 Habsburg royalty.