Portugal's oldest city wears its two thousand years lightly — gardens, arches and a cathedral that started it all. This app-led scavenger hunt takes you through Braga on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time. • Wander the flowerbeds of the Jardim de Santa Bárbara • Pass beneath the Arco da Porta Nova, Braga's baroque front door • Decode the Sé de Braga, the country's...