This building has two facades of clashing architectural designs.

Massive, unfinished broadcasting station stands as a monument to the fall of communism.

The temple that withstood the Nazis.

This apartment is a true time capsule of local life in Bulgaria during the Soviet regime.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

The Grand Mall in Varna hosts one of the biggest collections of Soviet-era paraphernalia in Bulgaria.

Not far from a popular beach, an unfinished, abandoned mansion for Bulgaria's last communist dictator.

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

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

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

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

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

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A temple dedicated to the 13th-century Alevi Turkish dervish credited with bringing Islam to the Balkans.

This remote church calls a tiny island its sanctuary.

Gigantic water vessel, permanently grounded in Southern Albania.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

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

A naturally beautiful, seemingly bottomless deep blue spring.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.