The third largest city in southwest Germany, just after Karlsruhe, Mannheim is known for its exceptional inventive power and was ranked 11th amount the TOP 15 of the most inventive cities worldwide by Forbes magazine. The baroque 18th-century Mannheim Palace houses historical exhibits, plus the University of Mannheim. In the grid-like center called the "Quadrate". Marktplatz Square features a baroque fountain with statues. Planken shopping street leads southeast to the Romanesque Water Tower, in the art nouveau gardens of Friedrichsplatz.