Disney's California Adventure Park, meanwhile, will offer a nighttime attraction called World of Color that opens on June 11. A choreographed light show, it displays Disney movie scenes on curtains of water that shoot up to 200 feet (61 meters) in the air from a lagoon called Paradise Bay, the newspaper said.

In Valencia, Six Flags Magic Mountain plans to add a family- style roller coaster called Mr. Six's DanceCoaster as well as a new interactive play area at its adjacent water park, Hurricane Harbor.

Next week, the Aquarium of the Pacific in Long Beach opens the new 5.5-million-U.S.-dollar Molina Animal Center, where visitors can watch veterinarians treat aquarium animals. San Diego's SeaWorld has renovated an existing stadium for a new dolphin show opening on May 29.

A 15-million-U.S.-dollar, 5.5-acre (2.23 hectares) water park addition featuring a 45-foot-tall (13.7 meters) slide at Legoland, the biggest expansion since the theme park opened in 1999, opens on May 28, the Los Angeles Times reported.