Explore the hidden gems of London's Southwark and City of London districts without the need for research. This self-guided treasure hunt is designed to be fun and engaging, with puzzles and challenges to keep you entertained along the way. Download your chosen app and follow the walking trail to unlock nuggets of history and lesser-known sights that many visitors miss. Discover stunning river views, chewed-up bridge art, and more, and stop to recharge at a market, pub, and other spots along the way.