A UNESCO old town on seven hills, a town hall built on an island in the river and smoked Rauchbier.
The cathedral where Thomas Becket was murdered in 1170, the destination of Chaucer's pilgrims.
Five original Viking ships in the museum and the cathedral where Danish monarchs have been buried since 1400.
The city of three cultures on a rock above the Tagus, with El Greco, a synagogue and a Damascene steel trade.
Pastel Dutch waterfront, UNESCO-listed.
Riverside old town below the cliffs.
Wave-patterned UNESCO plaza.
Faded colonial island city, UNESCO-listed.
Colourful Spanish colonial old town.
Baroque old town, UNESCO-listed.
Hanseatic gables, the House of the Blackheads and St Peterโs spire, ringed by Europeโs finest Art Nouveau streets.
One of the oldest continuously inhabited sites.
Fairytale medieval walled city, UNESCO-listed.
Ancient Islamic city of 82 mosques, where hyenas are fed by hand at night.
Glide the 17th-century canal ring past gabled merchant houses, houseboats and 1,500 bridges โ the city as it was meant to be seen.
Colourful colonial town frozen in time.
UNESCO silver-mining town folded into an old volcanic caldera.
Ancient desert city of windcatchers.
Portugalโs ancient university town, with the baroque Joanina Library, black-caped students and mournful fado.
Crooked wooden wharf houses of the old Hanseatic trading quarter.
Silver-mining city of candy-coloured houses stacked up a ravine, with streets in tunnels and student minstrels serenading the alleys.
Cobbled colonial town of pink Gothic church spires and rooftop bars, repeatedly voted the best small city in the world.
The only walled city north of Mexico โ cobbled streets, the Chateau Frontenac and a French-speaking old town that feels like Europe.
Gaudiโs dragon-backed house on Passeig de Gracia โ bone-like balconies, a scaled roof and not a straight line inside.
Gaudiโs hillside park of mosaic dragons, twisted stone colonnades and a serpentine bench overlooking Barcelona.
Explore Carcassonne, a fortified medieval city in southern France. Walk the double ring of ramparts of the Citรฉ de Carcassonne (a UNESCO World Heritage site with 52 towers), admire the Basilica of Saints Nazarius and Celsus (known for its 12th-century stained glass and Gothic choir), and cross the Pont Vieux (a 14th-century stone bridge offering panoramic views of the city).
Infobox