Grimmwelt (Grimm World) is a museum in Kassel, Germany dedicated to the Brothers Grimm. Located on a beautiful hill, it opened its doors to the public in 2015. The museum narrates the story of the Brothers, their famous fairy tales and their most important work: the creation of the German Dictionary. Following the letters of the alphabet, visitors can discover known and unknown aspects of their career and children can live in the fairy tales. The museum's accessible rooftop provides a breathtaking view of the city.