No. There is **no Busch Gardens theme park in Los Angeles**.
The Busch Gardens chain currently operates **two parks in the United States**:
Former Park: Busch Gardens San Diego operated from 1964 to 1979 (near Mission Bay). It closed and was redeveloped; the site is now part of SeaWorld San Diego's parking lot and Sesame Place San Diego.
Los Angeles' major theme parks are **Disneyland Resort** (Anaheim), **Universal Studios Hollywood**, **Six Flags Magic Mountain** (Valencia), **Knott's Berry Farm** (Buena Park), and **Legoland California** (Carlsbad).