Built back in the 1970s—before most of its patrons were even born—this extreme-sport outpost still has its original bowls, plus updates like an 80-foot-wide vertical ramp, two street courses, and two snake runs (high-speed downhill runs with banked turns). Skateboard legend Tony Hawk digs the park's retro feel so much that he named it one of his five favorite U.S. skate parks. The park, which...