Aquarium of the Pacific: Long Beach, CA
Overview: In addition to its 11,000 animals in-residence, the Aquarium of the Pacific offers Harbor Tours, a 4D film experience, and regular family festivals.
Go For: The aquarium's various Boat Programs, which take advantage of the coastal California setting. Every Saturday features a different "Family Fun" experience, highlighting sea turtles, jellyfish, sharks, and more.
Source: Aquarium of the Pacific