The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

An unusual monument to a gentle giant who became a Kyrgyz hero.

Dedicated to a Bolshevik revolutionary, this museum is a true time capsule of the Soviet era.

Northern Ireland's Brobdingnagian stepping stones.

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.

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

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A tiny church on a man-made island in the Adriatic.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

Space-age monument to an early 20th-century uprising.

This no man's land slicing through the island is strewn with abandoned relics of another time.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A decaying, yet still functioning, work of communist architecture.

An homage to the medieval rulers of Bulgaria.

Mysterious standing stone formations looks like a petrified forest.

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