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

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

A striking symbol of the Bulgarian capital.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

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

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

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

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

The social hall of this former factory is a Communist-era time capsule.

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

An unfinished complex built for children from around the world sits abandoned on the Black Sea coastline.

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

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.

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

UNESCO-protected ancient burial ground.

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

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

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

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