first of Orange County's historical parks, it is the home of Serrano Adobe, built in the late 1880's and known as the oldest structure in the area.This is a great place to visit. Lake Forests, twenty public parks and the Whiting Ranch Regional Wilderness Park offer acres of great outdoor pleasure in the city.Everything from tennis, handball, basketball and volleyball courts, tot lots, a golf course, stable, hiking, biking, and equestrian trails cozy picnic areas and barbecues, to boating and swimming are all conveniently available within the city. There are free summer concerts in the park, theaters, community playhouse productions, special events at Heritage Hill Historical Park and City sponsored programs for all age groups. This is what makes Lake Forest, one of California special and best cities.