Stadttor
 Stadttor (English: City gate) is a 20-storey 84 m (276 ft) skyscraper in Unterbilk neighborhood of Düsseldorf Germany. The building was designed by Düsseldorf-based architecture firm Petzinka Overdiek und Partner and completed in 1998. It marks the Southern entrance of Rheinufertunnel which is also reason for its parallelogram-shaped floor plan. The building features a 15-story atrium and a double-facades allowing natural ventilation even on higher elevation floors.