The Andalusian capital of the Maghreb: the Great Mosque, the Mansourah ruins and the El Mechouar palace.
The Motown Museum, the Henry Ford, Art Deco skyscrapers and a comeback story.
A pastel walled city built against pirates, the quietest colonial capital in the Yucatan.
Thirteen baroque churches of the gold rush on steep cobbled hills, with Aleijadinho’s sculptures.
A whitewashed colonial port between the rainforest and the sea, with schooner trips to the islands.
The Inner Harbor, Fort McHenry where the anthem was written and Chesapeake blue crabs.
The Alamo, four more Spanish missions and the River Walk below street level.
A maze of streets built to confuse pirates, clay tinajones jars and a ballet company.
Alexander the Great's easternmost city, the Panjshanbe bazaar and the Syr Darya river.
The cultural capital of Iraqi Kurdistan, the Amna Suraka prison museum and the Zagros mountains.
A silver-mining city of pink cantera stone with a cable car over the centre and a mine to walk through.
Spanish moss over 22 squares, antebellum mansions and the Bonaventure cemetery.
Jellybean row houses, Signal Hill where Marconi received the first transatlantic signal, and icebergs in June.
Graceland, Sun Studio where Elvis recorded, Beale Street blues and the Civil Rights Museum at the Lorraine Motel.
The Liberty Bell and Independence Hall, the Rocky steps at the art museum, and a cheesesteak.
Chinese fishing nets, a Portuguese church, a Jewish quarter and Kathakali dance in the port of Kerala.
Edo-period merchant streets in the Japanese Alps, a morning market and the spring and autumn float festivals.
India's first UNESCO city: Gandhi's Sabarmati ashram, stepwells, pols and the textile museum.
Cobbled Calle Crisologo and Spanish colonial houses, the best-preserved colonial town in Asia.
The French Quarter of yellow villas and bougainvillea, the Aurobindo ashram and Auroville next door.
The Maratha capital and student city, Shaniwar Wada and the Osho ashram, two hours from Mumbai.
Fort Rotterdam, the pinisi schooners at Paotere harbour and the road to Toraja.
The Bridge on the River Kwai, the Death Railway to Hellfire Pass and the Erawan waterfalls.
The Yellow Crane Tower on the Yangtze, hot dry noodles for breakfast and the Hubei bronze bells.
Carved wooden houses of the Siberian merchants and Decembrist exiles, an hour from Lake Baikal.
Taiwan's old capital: Dutch forts, hundreds of temples and the best street food on the island.
A complete Ming-dynasty walled city where China's first banks were founded.
The city of saints: blue-tiled Sufi shrines and the hottest summers in the subcontinent.
The Qissa Khwani storytellers bazaar, Gandhara art in the museum and the road to the Khyber Pass.
The Church on the Blood where the Romanovs died, on the border of Europe and Asia in the Urals.
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