A Worlds of Discovery park, it features popular shows like "Believe," starring Shamu and companion killer whales. "The Cannery Row Caper" stars sea lions Clyde and Seamore, and "Viva!" features beluga whales and Pacific white-sided dolphins. The Lost Lagoon water park features "Sidewinders," a multi-flume waterslide; a wave pool; water slides; a family raft ride; a water-play area for kids; "Splash Attack," a three-story interactive fun house; and "Castaway Cruisin'," a 3.5-acre floating attraction. Visitors also enjoy "Journey to Atlantis," "Steel Eel" and "The Great White"--three of Texas' favorite roller coasters. Hammerhead sharks and tropical fish cruise the depths of Sharks/The Coral Reef, while penguins frolic in the Penguin Encounter. Visit the world-renowned Anheuser-Busch Clydesdale horses, feed and touch Atlantic bottlenose dolphins at Dolphin Cove, and feed California sea lions and harbor seals at the Seal and Sea Lion Community. pen weekends and some weekdays in spring; daily during summer; weekends in fall through Dec. 31. Admission and parking fees. Ray Ellison Drive and Westover Hills Boulevard off Texas 151, 16 miles northwest of downtown