Walt Disney World’s fourth (and so far final?) theme park, Disney’s Animal Kingdom opened its gates to the public 23 years ago. (Cue “What’s My Age Again” by blink-182.) Disney’s Animal Kingdom’s anniversary is also Earth Day, April 22! Today we’re taking a trip back in time to the Opening Day at Disney’s Animal Kingdom — April 22, 1998. Disney’s Animal Kingdom’s opening had a grand opening ceremony featuring  ...