The oldest city in Western Europe, founded by Phoenicians, with Carnival, beaches and the Atlantic on three sides.
A Roman aqueduct of 167 arches without mortar and the fairy-tale Alcazar that inspired Disney.
The Basilica del Pilar on the Ebro, Goya in the museums and the Aljaferia Moorish palace.
La Concha bay, pintxos bars in the old town and more Michelin stars per head than anywhere else.
The golden sandstone Plaza Mayor and Spain's oldest university, where students hunt for the carved frog.
Icebergs the size of cathedrals from the Sermeq Kujalleq glacier drift past the harbour.
One of the smallest capitals in the world, with grass roofs on the parliament peninsula of Tinganes.
The capital of the Westfjords on a spit of sand between mountains, the start of Hornstrandir hikes.
The whale-watching capital of Iceland, with humpbacks and blue whales in Skjalfandi Bay.
A 12th-century Romanesque cathedral with an astronomical clock and a university town of cobbles and bicycles.
The Icehotel at Jukkasjarvi, the Esrange space base and a town being moved to make way for the iron mine.
A Hanseatic town of roses and ruins inside 3.4 km of medieval wall on Gotland.
Scandinavia's tallest cathedral, Linnaeus's garden and the Viking royal mounds at Gamla Uppsala.
The 1994 Winter Olympics town, with the Maihaugen open-air museum and the ski jump you can ride down.
Norway's summer city on the south coast, with the zoo and Fiskebrygga fish quay.
Saltstraumen, the world's strongest tidal current, the midnight sun and the ferry to Lofoten.
Rebuilt in Art Nouveau after the 1904 fire, spread over islands at the mouth of the Geirangerfjord.
White wooden houses, the oil museum and the boat to Pulpit Rock and the Lysefjord.
The winter-cycling capital of the world and the Air Guitar World Championships, on the Gulf of Bothnia.
Red wooden riverside warehouses and cobbled lanes, the second-oldest town in Finland.
Where two seas meet at the tip of Jutland, in the light that drew the Skagen painters.
Denmark's oldest town, a Viking market from about 700 with crooked timber houses and storks on the roofs.
Five original Viking ships in the museum and the cathedral where Danish monarchs have been buried since 1400.
The birthplace of winter tourism in 1864, two Winter Olympics and the Cresta Run.
The July jazz festival, the Freddie Mercury statue and Chillon castle along a lakeside promenade.
Palm trees and Italian coffee on a Swiss lake, with Monte Bre and San Salvatore funiculars above.
A car-free village under the Matterhorn, with the highest cable car in Europe and year-round skiing.
The Olympic Museum on a hillside above Lake Geneva, with the Lavaux vineyard terraces next door.
The Jet d Eau, the United Nations and the Red Cross, on the lake where the Rhone leaves the Alps.
The Lindwurm dragon fountain and the warm waters of Lake Worthersee, the summer capital of Carinthia.
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