A camping trip to California should include a visit to Channel Islands National Park. Near Ventura, CA, the park is made up of five islands and offers some of the best camping experiences. On Santa Cruz Island you can visit the Painted Cave — one of many sea caves in the area. Camp underneath the rare pines on Santa Rosa Island. On Anacapa Island you can wander the trails to Inspiration Point and camp by the 1932 lighthouse. Santa Barbara Island is known for nesting birds and San Miguel Island draws seals. RV campsites not available on the islands but can be found near Channel Islands National Park in the Ventura area.