The Third Reich developed some sophisticated weapons including two guided bombs ("smart bombs") and a surface-to-air-missile (SAM). These examples are on display at Udvar-Hazy Center, the annex of the Smithsonian National Air and Space Museum.
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/fritz-x-hs-293-and-rheintochter---third-reich-asms-and-sam