One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

The first version of this stalwart construction appeared around 3,000 years ago.

This cutting edge museum details the history of skiing, from its ancient origins to its status as a sport.

This Vietnamese bar doubles as a multistory labyrinth.

A lonely beacon, precariously perched atop a remote sliver of rock.

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

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

The steel cable lets adventurers zoom between two mountain towns at speeds of up to 75 miles per hour.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Four abandoned towers hidden above the Douglas fir forest in Washington.

Spend the night in this formerly abandoned traditional Scottish village.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.