This commercial and retail center was crafted from walled military barracks.

A well-preserved 2nd century fort where moles are the archaeologists.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A collection of throne-inspired sculptures dot the landscape of Wincobank.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

This network of narrow, medieval passages has the most delightful name.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

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

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

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

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

Trek up this glacier before it disappears.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Large Hadron Collider and the Birthplace of World Wide Web.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.