 The Walt Disney Co. is set to turn 100 years old this year, and the Disneyland Resort in Anaheim, California, is celebrating with new shows and a Mickey-themed attraction across its two theme parks: Disneyland and Disney California Adventure. Both parks will also be decked out with new decor. Festivities officially begin on Jan. 27. ... How to plan a Disneyland trip for the Disney100 celebration ... 