This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

Buried beneath an unassuming Gotland farm was the largest collection of Viking silver, mostly of Islamic origin.

A catapult rock from Gotland’s 13th-century civil war is still lodged in Scandinavia's best-preserved medieval city wall.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

This no man's land slicing through the island is strewn with abandoned relics of another time.

This sea stack in Cyprus is traditionally seen as the birthplace of the goddess Aphrodite.

A copy of an ancient Roman distance marker that indicates the beginning of the Antonine Wall.

A medieval device used to punish and shame wrongdoers still hangs outside the village church.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

This monument depicts a harrowing event involving an escaped polar bear.

A monument to the 70s rock icon stands on the road into this small Scottish town.

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

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Erected in memory of Sir Arthur Conan Doyle, who was born close to this spot, this statue commemorates the author and his famous detective.

A public art installation with a nautical themed poem, enhances this pedestrian street.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This statue stands as a message against the ills of Apartheid.