90 minutes Self-Guided Walking tour with puzzles in Leiden

During the Discovery Trip "The Stolen Keys", you will explore the city of Leiden during a 90-minute self-guided walking tour. In 90 minutes, you will see the most iconic places of Leiden while solving fun puzzles about the environment. Do your best and set a new high score for the trip together with your friends or family. As Discovery Trips is self-guided, there are no fixed starting times. You can pick whenever you want to start discovering. Furthermore, the trip is available in English, German and Dutch. So, what are you waiting for? Let's discover!