A good one

Griffith Park is a large municipal park at the eastern end of the Santa Monica Mountains, in the Los Feliz neighborhood of Los Angeles, California. The park covers 4,310 acres (1,740 ha) of land, making it one of the largest urban parks in North America. It is the second-largest city park in California, after Mission Trails Preserve in San Diego, and the 11th largest municipally owned park in the United States.

Griffith Park Zoo was a city-owned zoo in Los Angeles, California that opened in 1912 and closed in 1966 with the opening of the Los Angeles Zoo. The abandoned site of the Griffith Park Zoo, complete with the ruins of animal enclosures, is now a picnic area and hiking trail in Griffith Park.

The 1933 Griffith Park Fire was a brush fire that occurred on 3 October 1933 in Griffith Park in Los Angeles, resulting in the deaths of at least 29 civilians who were trying to fight the fire. It was one of the deadliest firefighter disasters in United States history.

The Toyon Canyon Landfill was a controversial landfill wholly within Los Angeles' Griffith Park. Filling began in 1957 and ended in 1985. A lawsuit in 1959 attempted to stop the project but was unsuccessful. A summary of the lawsuit is available here.There was a move in the 1980s to expand the landfill into Royce's Canyon, but that was defeated.