Ozzfest Meets Knotfest

Black Sabbath, meet Slipknot. The two metal bands are taking their respective namesake festivals and uniting them into a single weekend at the San Manuel Amphitheater. The Sabbath-fronted Saturday lineup includes Disturbed, Megadeth, Opeth and Black Label Society, while the 'Knot-led Sunday lineup includes Slayer, Amon Amarth, Anthrax and Trivium. The fest features tent and RV camping—complete with showers and "shitters"—as well as fiery carnival rides, a freak show, monster trucks and a Mad Max Thunderdome battle arena.