Vivid green pesto, great wine and fabulous walks … Genoa is a city of indulgence for Nicholas Walton

A historian’s favourite places to eat, walk, stay – and try onion chocolate – in this historic port city

Gothenburg city guide: what to visit plus the best bars, restaurants and hotels

With its sun-dappled islands, waterways, cobbled streets and laid-back vibe, Sweden’s second city is a must-visit in spring and summer