Duisburg Mitte is well-liked for its archaeological sites and museums. If you're hoping to get in some sightseeing, Schauinsland-Reisen-Arena and Sportpark Wedau are top spots, and you can jump on the metro at Grunewald U-Bahn or Grunewald Betriebshof U-Bahn to get around.
If you're spending time in Duisburg Süd, check out sights like Tiger and Turtle - Magic Mountain or Six Lakes Park and hop on the metro to see more the city at St. Anna Krankenhaus U-Bahn or Muehlenkamp U-Bahn.
If you're spending time in Duisburg City Center, check out sights like Duisburg Christmas Market or Küppersmühle Museum and hop on the metro to see more the city at Koenig-Heinrich-Platz U-Bahn or Steinsche Gasse U-Bahn.
While Rheinhausen might not have many sights to explore, venturing just a little farther will lead you to top things to see and do like Tiger and Turtle - Magic Mountain and Schauinsland-Reisen-Arena.
Check out the parks while you're in Meiderich-Beeck. Hop on the metro at Auf dem Damm U-Bahn and Meiderich U-Bahn to see top sights like Landschaftspark Duisburg-Nord and Rhine.