This document outlines a geocaching activity involving 6 challenges set in the medieval city of Manresa, Spain. The challenges involve recording videos or taking photos at important medieval landmarks in Manresa and posting them online. The challenges take place at locations such as Balç Street, the old bridge, the Well of the Chicken, Saint Domènec Square, the Seu cathedral, and the Main Square. Participants are instructed to imagine scenes from medieval times or find engravings at each location for the activity.