Blackpool built a copy of the Eiffel Tower, laid the world's largest Comedy Carpet on its seafront, and sent three piers into the Irish Sea — and it's still not done trying to impress you. This app-led scavenger hunt takes you along Blackpool's famous Promenade on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time. • Follow clues to Blackpool Tower, the Comedy Carpet, and Blackpool...