Shanghai. China

Shanghai is home to the world's second-highest tower and host to other other neck-craning mamoths. But it's not all sky-scraping razzmatazz- beneath its crisply cool veneer, you can find a treasure chest of architectural styles. The city's period of hgihest expansion – the 1920s and 1930s – left Shanghai with pristine examples of art deco architecture. And there's more: from Jesuit cathedrals, Jewish synagogues and Buddhist temples to home-grown laneway and shíkumen housing,