10th century castles of Europe
6 European castles and fortresses built mainly in the 10th century — each mapped, dated and ready to explore.

Castle of the Moors
Snaking Moorish ramparts that ride the crags above Sintra

Château de Chinon
France's long ridge fortress on the Loire, linked to Joan of Arc and the Plantagenets

Linhares Castle
Granite eyrie on the flank of the Serra da Estrela

Rocca Calascio
Italy's highest fortress, a mountaintop ruin in the Apennines of Abruzzo

Trancoso Castle
Walled frontier town where King Dinis married Isabel of Aragon

Guimarães Castle
The 'cradle of Portugal', birthplace of the kingdom's first king