The first Ottoman capital under Mount Uludag: the Green Mosque, the silk bazaar and Iskender kebab.
Forty Byzantine churches on a rocky peninsula tied to the mainland by a causeway.
'Here Portugal was born': the castle of the first king and a UNESCO medieval centre.
A German-built port on the Baltic, the ferry to the Curonian Spit and its sand dunes.
A walled medieval town at the end of a fjord-like bay, with 1,350 steps up to the fortress of St John.
The Sedlec Ossuary decorated with 40,000 skeletons and the silver-mining cathedral of St Barbara.
A Roman temple, a chapel lined with bones and whitewashed lanes inside walls, the capital of the Alentejo.
The Habsburg 'little Vienna' of Bukovina, with a UNESCO university that was once the Metropolitan's residence.
A Roman amphitheatre on the beach and the remains of Tarraco, capital of Roman Hispania.
Venetian, French and British layers in one UNESCO old town, with cricket on the Spianada.
Master Paul's 18-metre carved altar, the tallest Gothic altar in the world, inside a walled Spis town.
The Bagrati cathedral, Gelati monastery and the Prometheus cave, in the capital of ancient Colchis.
The end of the Camino: the cathedral with the swinging Botafumeiro and pilgrims arriving in the Praza do Obradoiro.
The 16th-century Mehmed Pasa Sokolovic bridge of Ivo Andric's Nobel novel, over the Drina.
The Greek theatre where Aeschylus premiered and the island of Ortigia, once the rival of Athens.
A square of pastel Renaissance houses between two fishponds, unchanged since the 16th century.
The Leaning Tower is one of four marble buildings on the Field of Miracles; the rest of the city is a student town.
The golden sandstone Plaza Mayor and Spain's oldest university, where students hunt for the carved frog.
Kronborg, Hamlet's Elsinore, guarding the narrowest point of the Oresund opposite Sweden.
The cathedral where French kings were crowned and the champagne houses tunnelled into the chalk beneath it.
A Norman cathedral and castle on a rock in a loop of the River Wear, the finest Romanesque building in Europe.
Icebergs the size of cathedrals from the Sermeq Kujalleq glacier drift past the harbour.
The capital of the Hanseatic League: the Holstentor gate, seven brick spires and Niederegger marzipan.
A Hanseatic town of roses and ruins inside 3.4 km of medieval wall on Gotland.
The Town Musicians, the UNESCO-listed Roland statue and town hall, and the Schnoor lane of medieval cottages.
Edward I's ring of eight towers and the most complete medieval walls in Britain, on the Snowdonia coast.
A 12th-century stone bridge over the Danube and the largest intact medieval city in Germany.
Van Gogh's town, with a Roman amphitheatre still hosting bullfights and the Camargue at its edge.
The Palace of the Popes, the broken bridge of the song and the biggest theatre festival in the world each July.
Goethe's and Schiller's houses, the birthplace of the Bauhaus, and Buchenwald on the hill above.
Infobox
