You can also visit Schloss Wilhelmshöhe, located within the park. The palace was built at the end of the 18th century by Landgrave Wilhelm IX of Hesse-Kassel, who used it as his summer residence. Today, it’s a museum featuring original preserved rooms and an impressive collection of art, including hundreds of paintings by Flemish and Dutch masters like Rembrandt, Rubens, and Van Dyck. You’ll also find a quirky assortment of curiosities such as PEZ dispensers, garden gnomes, vintage toys, traffic signs, and much more.