One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.

340-foot statue built to honour the Heroes of the Soviet Union.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Go surfing on this urban wave, "hacked" by local surfers.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A Turkish ghost town abandoned in a population exchange with Greece.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Step back in time and witness the fall of Constantinople.

This museum was invented in a novel before being made real by the author.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

The charmingly disheveled clock tower of Tbilisi's puppet theater.