Physicist’s epitaph provides final confirmation to a career of turmoil.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

A completely underground tour following the path of the most precious element: water.

Haunted tuberculosis hospital built by the patients.

The quirky - and private - constructions of a secluded artist depict the house of God.

The world's largest sundial can cast a shadow more than 1,600 feet long.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Scotland's only funicular railway is also the United Kingdom's highest.

A pub that is literally in the middle of nowhere, but continues to do business.

This Scottish bridge seems to compel dogs to leap to their death.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

At this century-old barbershop, clients used to be entertained with a glass of brandy and a cigar.

The legacies of two historic Black American institutions live on in this unassuming brick building.

Defy gravity at this fascinating Pyrenees overlook platform.

This set of Berber granary caves is now an interpretation center for the cave window structures in the Clarino valley.

A wealthy aristocratic family built this Disney-worthy, fairy-tale castle.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

The lasting remains of a bygone era of open-air meat markets.

This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

This cuddly-looking statue symbolizes the bond between Spain and China.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.