Leiria has a castle on the hill and centuries of history below it — this tour connects both. This app-led scavenger hunt takes you through Leiria on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time. • Visit the Sé de Leiria cathedral and the Moinho do Papel, discovering the craft and religious heritage that shaped this quiet Portuguese city • Go at your own pace, take breaks along...