A Roman aqueduct of 167 arches without mortar and the fairy-tale Alcazar that inspired Disney.
Nissi beach and the sea caves by day, the clubbing capital of the eastern Mediterranean by night.
A complete medieval square with a Gothic town hall, spa villas and wooden churches nearby.
Otzi the Iceman in the museum and a bilingual Tyrolean town at the gates of the Dolomites.
The town of a thousand windows: Ottoman houses stacked up a hillside below a still-inhabited castle.
The ruined Art Nouveau casino on the Black Sea, a Roman mosaic and the beach resort of Mamaia.
Sardinia's capital: the Castello quarter, Poetto beach and flamingos in the salt lagoons.
The Black Sea port of the Byzantine Comnenes, the Hagia Sophia of Trabzon and the Sumela monastery on a cliff.
A Livonian Order castle, a cobbled old town and Gauja National Park for canoeing and bobsleigh.
Greece's biggest carnival, the Rio-Antirrio bridge and the ferry port for Italy.
A church on an island in an alpine lake, a castle on the cliff and cream cake on the shore.
A 12-kilometre sand beach, an old pirate town on a rock and the Ada Bojana river island.
A red-brick island castle in Lake Galve and the kibinai pastries of the Karaim community.
Madeira's capital: wicker toboggans down from Monte, the flower market and Madeira wine lodges.
Master Paul's 18-metre carved altar, the tallest Gothic altar in the world, inside a walled Spis town.
Mallorca's capital: the seafront Gothic cathedral La Seu, Arab baths and the Tramuntana mountains behind.
The Algarve capital, with a walled old town, storks nesting on the cathedral and the Ria Formosa lagoon.
The Habsburg 'little Vienna' of Bukovina, with a UNESCO university that was once the Metropolitan's residence.
Where the 1989 revolution began; Secession squares and the first European city lit by electric street lamps.
The 16th-century Mehmed Pasa Sokolovic bridge of Ivo Andric's Nobel novel, over the Drina.
Hungary's largest church on a hill above the Danube bend, the old royal and religious capital.
Lycian rock tombs above the harbour, the Blue Lagoon at Oludeniz and paragliding off Babadag.
The cherry-blossom capital of Transcarpathia, a castle and Europeโs longest linden alley along the Uzh.
Freedom Square, one of Europe's largest, and the constructivist Derzhprom building, in Ukraine's second city.
Slovenia's oldest town, a Roman settlement with a castle and the shaggy Kurent masks of carnival.
The main Bulgarian ski resort under the Pirin mountains, with a stone old town and mehana taverns.
Houses with eyes in the roofs, the Bridge of Lies and a Saxon centre that was Capital of Culture in 2007.
Painted moliceiro boats on the canals, Art Nouveau facades and ovos moles egg sweets.
Las Canteras city beach, the Vegueta colonial quarter and the house where Columbus stopped.
A 17-metre waterfall in the middle of town, a fortress and the last Bosnian royal capital.
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