Tide pool walk
Watch an informative slide show at the Cabrillo Marine Aquarium followed by a naturalist-led walk to the nearby Point Fermin tide pools.
When, where: 3-4:30 p.m. Tuesday at the Cabrillo Marine Aquarium, 3720 Stephen M. White Drive, San Pedro.
Admission, info: Free, (310) 548-7562.
A professional photographer will share tips on how to take better pictures with your cellphone or point-and-shoot camera.
When, where: 8 a.m.-5 p.m. Saturday at the Oasis Visitor Center in Twentynine Palms.
Admission, info: $70. (760) 367-5535.