Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

The Natural History Museum that time forgot.

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

This building has two facades of clashing architectural designs.

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

A striking symbol of the Bulgarian capital.

Eastern Bloc nostalgia, anybody?

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

A vast Communist-era exhibition space in the Bulgarian capital.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A historical puzzle lies at the origins of this structure.

A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.