A striking symbol of the Bulgarian capital.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

This unique museum focuses on the Siege of Sarajevo through children's eyes.

A field filled with carved medieval tombstones called stećak.

The first mosque in the world to receive electricity.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Oriental bazaar in the heart of Sarajevo.

This historic cemetery was inaccessible for several years due to dozens of land mines.

The place where World War I began.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

These warring psychedelic crags commemorate an unsuccessful military operation.

A war-torn Olympic relic is being overtaken by graffiti and nature.

Bridge that died in war and was resurected.

Dozens of Soviet-era trains and carriages fill this outdoor museum.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.