The reliquary of Charlemagne is in Aachen Cathedral. The entrance in Aachen Cathedral is free, but the reliquary you can see only at Guided tours. Guided tours of the Cathedral Tickets for public tours of the cathedral are currently only available on the respective day at the Dominformation. Ticket sales start at 10 am. Reservations in advance are not possible. Mon, Tue, Wed, Thu, Fri: 11 am to 5 pm (on the hour, in English at 2 pm) Sat: 1 pm, 2 pm (English), 3 pm, 4 pm, 5 pm Sun: 1 p.m., 2 p.m. (English), 3 p.m. 4 p.m. On the video you see Aachen Cathedral Treasury. It´s another building with it´s own entrance (close to Aachen Cathedral). In the video you can see the first floor, and the second floor has paintings, photo gallery, old books and another interesting items.