Antioch, the third-largest city in Contra Costa County, California, offers a blend of natural beauty and urban vibes. Explore the breathtaking views and outdoor activities at Mount Diablo State Park, or delve into the history of coal and sand mining at Black Diamond Mines Regional Preserve. The Antioch Historical Society Museum is a treasure trove for those interested in the city's past. For shopping, head to the regional Somersville Towne Center or browse stores like Costco, Raley's, and JCPenney. When the sun sets, Antioch comes alive with nightlife options like Supperjam Experience, Aloha Club, Legends, and numerous other bars and lounges.