This fortress was built using the last surviving stones from the Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The tallest waterfall in the Judean Desert is named for its connection to a biblical figure.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

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

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

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

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

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

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

The first mosque in the world to receive electricity.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

The place where World War I began.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

Oriental bazaar in the heart of Sarajevo.

An ancient knight and a symbol of the city's freedom.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

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

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

A 11-foot former president stands on a Kosovo street that also bears his name.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.