Sea Lion Caves are 11 mi. n. at 91560 US 101. Noted in the Guinness World Records as the world's largest sea cave, this area is home to wild Steller sea lions. The mammals can be observed in their natural surroundings. Bring binoculars in the spring and summer to watch for gray whales and rare sea birds. A flight of stairs and a pathway leading to an elevator provide access to the 1,500-foot-long cavern. A scenic path leads to the outdoor viewing area. Information about sea lions and other coastal animals and plants is provided and a short film is shown.