As the keeper of the keys, you open the doors to secret and unusual places in Porrentruy which are brought to life by stunning sound and light effects. Do you know about Pierre Péquignat, the rebellious representative of the people who challenged the prince-bishop, and the tragic end of his struggle? Have you already witnessed the revival of the wyvern, the mythical creature that feeds off the water's energy? Do you think dinosaurs still haunt the town of Porrentruy? The “Circuit Secret” offers you an exclusive and unique experience.