Trust us, you'll know when this party is happening. The sound of engines straddled by people looking to celebrate biker culture is inescapable. The epicenter of live music, vintage cars, photo ops with leather-clad babes, and entertainment is the Travis Expo Center. The party takes over Congress Avenue and other spots all over town as well. Thu.-Sun., June 13-16 (2013). $60, three-day pass.