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

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

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

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

One of the oldest and largest castles in the world.

Mysterious lost empire of the Silk Road.

Ruins of the Crusaders' headquarters.

One of the oldest monasteries in the world is a key pilgrimage site for both Muslims and Christians.

Only a handful of these gorgeous historic waterwheels remain but even those are in danger from local unrest.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

Walk through Czech history in Prague's largest graveyard.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.