As the keeper of the keys, you open the doors to secret and unusual places in St-Ursanne which are brought to life by stunning sound and light effects.

During this interactive visit, be prepared to let the stones tell their storey and discover the city’s rich history as you stop at several of its landmarks and enter unusual places in the medieval centre.

Celebrating the 1400th anniversary of the death of Saint Ursicinus, the circuit was created under the direction of John Howe, best known for his work on the production of The Lord of the Rings.