A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A marvel of Byzantine engineering under the streets of Istanbul.

Step back in time and witness the fall of Constantinople.

One of the world's oldest olive trees, thought to be over 2,000 years old.

Structure built from the skulls of vanquished foes.

This airport also offers travelers the chance to view thousands of years of Turkish history.

Explore a traditional Albanian dwelling that pays tribute to the region's rich history.

What happens when you cross a mayor and a painter?

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

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

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

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

Sofia's legislative center is continuously reinventing itself.

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

This building has two facades of clashing architectural designs.

A striking symbol of the Bulgarian capital.

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.

The temple that withstood the Nazis.

Thousands of objects tell the story of a city famous for its tobacco.

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

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.