Disney had announced that the Disneyland Park in California, and the Magic Kingdom park in Florida will be opened on Leap Day this year (that's Feb. 29 for those who don't know) from 6:00 am till 6:00 am the next day.
"To celebrate, for the first time ever, the Magic Kingdom and Disneyland Parks will remain open for 24 hours on Leap Day, so that our guests can take advantage of every minute of their extra day to make memories with friends and family.”
Disney also announced a sweepstakes and a special offer. Beginning Jan. 1, Disney Parks.com is offering a promotion that gives away a daily vacation package for four until Feb. 29. In addition, Disney is also offering with "select" resort bookings before Jan. 31 for a free day/night between Feb. 26 - March 10 (although it reads as if some days may be excluded during this time frame).