Hike between medieval tower villages under the highest peaks of the Caucasus.
The most complete Gothic cathedral in France, with 176 windows of unrepeatable twelfth-century blue.
A Crusader city under an Ottoman city: the Knights Halls, a Templar tunnel and hummus by the port.
The medieval Newar city of potters and pagodas, the best-preserved of the three Kathmandu valley kingdoms.
Russia's oldest city, the 11th-century St Sophia and the birch-bark letters of a medieval republic.
A walled medieval town at the end of a fjord-like bay, with 1,350 steps up to the fortress of St John.
The birthplace of Vlad the Impaler inside the best-preserved inhabited medieval citadel in Europe.
A complete medieval square with a Gothic town hall, spa villas and wooden churches nearby.
'Here Portugal was born': the castle of the first king and a UNESCO medieval centre.
Master Paul's 18-metre carved altar, the tallest Gothic altar in the world, inside a walled Spis town.
Edward I's ring of eight towers and the most complete medieval walls in Britain, on the Snowdonia coast.
A Norman cathedral and castle on a rock in a loop of the River Wear, the finest Romanesque building in Europe.
The Palace of the Popes, the broken bridge of the song and the biggest theatre festival in the world each July.
The cathedral where Thomas Becket was murdered in 1170, the destination of Chaucer's pilgrims.
A 12th-century stone bridge over the Danube and the largest intact medieval city in Germany.
The capital of the Hanseatic League: the Holstentor gate, seven brick spires and Niederegger marzipan.
The Town Musicians, the UNESCO-listed Roland statue and town hall, and the Schnoor lane of medieval cottages.
The city of three cultures on a rock above the Tagus, with El Greco, a synagogue and a Damascene steel trade.
A Hanseatic town of roses and ruins inside 3.4 km of medieval wall on Gotland.
The oldest of San Marinoโs three towers, an 11th-century fortress on Monte Titano with views to the Adriatic.
Second tower on Monte Titanoโs highest summit, home to the ancient-arms museum.
Medieval minaret and mausoleums.
Mighty medieval castle, UNESCO-listed.
Stone city of a medieval empire, UNESCO-listed.
Medieval marble monastery, UNESCO-listed.
Fjord-like bay and walled old town.
Serbian Orthodox monastery with thousands of medieval frescoes, UNESCO-listed.
Hanseatic gables, the House of the Blackheads and St Peterโs spire, ringed by Europeโs finest Art Nouveau streets.
Serbian Orthodox monastery, UNESCO-listed.
Three grand madrasas on one square.
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