A magnificent, iconic stone tower in the Scottish Highlands.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

The reconstruction of this prominent building fulfilled a long-written command.

A cluster of headless, armless sculptures looms within a popular Polish park.

An impressive monument to Poland's independence.

An abandoned football stadium with a tragic past.

Derelict chemical plant on the North Sea is a beautiful industrial ruin.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This enormous sculpture honors an English town's engineering and industrial heritage

A subterranean display of public art and architecture.

The prototype for all Nazi concentration camps.

A meteorite-bounded town in Bavaria.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Abandoned since 1998, this train station has become an oasis for urban explorers.

The tallest mountain in mainland Netherlands isn't actually very tall.

A beautiful maze marks where three countries meet.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

This lurid German fountain plots the sad course of marriage from dating to death.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.