Pinnacles National Park is ready to rock

The High Peaks.(Photo: Gavin Emmons)PINNACLES NATIONAL PARK, Calif. — The ranger manning the visitors center at the nation's newest national park pauses to consider what's in a name.In January, Pinnacles National Monument, an otherworldly enclave of towering monoliths, twisted spires and massive boulder caves east of central California's verdant Salinas Valley, became Pinnacles National Park.