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

This building has two facades of clashing architectural designs.

These cascading falls resonate throughout the Bulgarian forest.

The temple that withstood the Nazis.

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

This rose and lavender oil distillery still operates as it did more than a century ago.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

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

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

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

An homage to the medieval rulers of Bulgaria.

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

These natural cliffs look like they are a part of an old castle complex.

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

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

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

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

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

Ruins of an early Roman Christian church dating back to the 4th to 5th centuries.

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

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

Mysterious standing stone formations looks like a petrified forest.

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