Turning City Streets Into an Adventure Playground! Get a unique perspective of the city centre on this self-guided, interactive treasure hunt. It's the best way to see York! On your adventure, unlock a hidden trail by finding clues, solving puzzles and completing challenges, earning points along the way. During your Quest you will not only discover the city's highlights but explore hidden gems, learn some fun facts about the places you visit and see things that most people just pass by. As the activity is all self-guided through the app, you can start your Quest when you want (see opening times for this Quest), there are no set starting/ending times. No groups to follow. You can go at ...