The historic streetcar runs between the bicycles on Prinzipalmarkt, the city hall shimmers colorfully as it did 200 years ago, a virtual gallery shows historic views on Domplatz and you can enjoy the 360-degree view of the Türmerin from the tower of Lambertikirche. Augmented reality creates leaps in time and new perspectives. On a tour of the most important sights or individual locations, there are many stories, pictures and short films about the city's history, art, architecture and special features.