Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

The remains of a 19th-century carving of what was to be a signal light on the Firth of Forth Estuary.

Soviet intelligence had a keen interest in the Cold War linguistic school at this old Scottish airfield.

From grand battles to daily life, this Spanish museum offers a view of world history in miniature.

A quirky, larger than life sculpture on an old bunker pays tribute to an eccentric carnival entertainer.

This aged paving stone, marked by a maiden's foot imprint and the tales of her plunge from the cathedral tower, serves as a memorial to a tragic local legend.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This snug medieval lane is one of the narrowest streets in the world.

A beautiful waterway tucked in the corner of a power plant.

A section of the long chain that blocked enemy ships from entering Constantinople.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Ancient serpentine sacrifice holder that has stood the test of time.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

This museum was invented in a novel before being made real by the author.

A marvel of Byzantine engineering under the streets of Istanbul.

This mysterious anthropomorphic statuette is on display at the National Museum of Oman.

If you dare visit this fort, fire-breathing hyenas might devour your camels.

The biggest cave system in the Arabian Peninsula is home to a rare variety of blind fish.

The ruins in this village were caused by something more sinister than neglect.