When tourists finish our free walking tours they sometimes want to know what other interesting things can be done in this charming little city. Besides the paid attractions (such as the treasury of aachen cathedral and the Aachen museum Charlemagne) there are some free attractions you cannot miss like the Aachener Dom and the Christmas market in Aachen and because we want you to enjoy your visit as much as possible, we have created this list of 8 FREE things to do in Aachen