Palomar Mountain, San Diego, California is famous as the location of the Palomar Observatory and Hale Telescope, and known for the Palomar Mountain State Park. It is near the Gold Rush town of Julian, which is also known for its apples.
San Onofre State Beach—San Clemente, California Surf Report: Long lines of whitewater for boogie boarding and longboarding. Find low, slow-breaking peaks at Dogpatch. Scene: A family-friendly mecca since the 1930s-with a few RVs and beer bellies. Bonus: Cameos by longboard legends like La Jolla native Joel Tudor. Wax Run: Rip Curl Surf Shop, 714-422-3600, www.ripcurl.com