Bridge that died in war and was resurected.

These warring psychedelic crags commemorate an unsuccessful military operation.

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.

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

Remnants of successive wars and Muslim colonialism in the 11th century.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

An art museum inside an active factory.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Abandoned concert venue legendary for its rock counterculture.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The mayor made the declaration in 2004.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

Stone pillars and a petrified wedding party in the hills of North Macedonia.

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

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

Minnesota's oldest and deepest mine is now an underground physics laboratory.