The Landgrafenschloss, or Landgrave Castle, is a historic castle located in Kassel, Germany. Built in the 16th century, it served as the residence for the landgraves of Hesse. The castle features a mix of architectural styles, including Renaissance and Baroque elements, reflecting its long history and various renovations. Today, the Landgrafenschloss houses the Museum of the Brothers Grimm, showcasing the works and lives of the famous fairy tale authors, Jacob and Wilhelm Grimm. The castle is surrounded by beautiful gardens, making it a popular destination for tourists and locals alike.