An homage to the medieval rulers of Bulgaria.

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

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

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

Sofia's legislative center is continuously reinventing itself.

A striking symbol of the Bulgarian capital.

"Unity, Creativity, Beauty."

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

UNESCO-protected ancient burial ground.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

Temple complex that once housed the famous statue of Nike.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

Rock carving created 1,300 years ago 75 feet off the ground.

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

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.