Mainz Cathedral - the Gutenberg Museum
The six towers of the cathedral date back to the XI- XIII century. The impressive cathedral standing in the centre of the city was also the centre of political power. The archbishop of the city was also " Kurfürst ", (Elector) , one of seven powerful noblemen who crowned the emperor of Germany . Along with the cathedrals of Worms and Speyer, Mainz Cathedral is one of the finest examples Romanesque church architecture .
The Gutenberg Museum (a museum illustrating the history of printing)