Sofia's legislative center is continuously reinventing itself.

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.

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

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

A striking symbol of the Bulgarian capital.

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

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

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

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

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

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

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

Inside a former cabaret, seven floors of erotic art.

The celebrated eyesore created by starry-eyed sweethearts.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This bridge was constructed from the rubble of the infamous Bastille.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

The first green space constructed on an elevated viaduct.