Elaborate tile work in this railway station tells the story of Portugal.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

This 600-year-old home seems to defy physics.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Site of one of World War I's most horrific scenes.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A towering baroque basilica jutting out of the French countryside.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The last bastion of Roman presence north of the Alps looms over a German town.

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

Two small chapels housed inside an ancient tree.

The world's largest boar is a huge steel titan found at a French rest stop.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.