1. Check out the outrageous and awesome costumes other park guests wear.
2. Ride Space Mountain — Halloween style.
3. Visit as many trick-or-treat stations as you can without being overwhelmed by self loathing.
4. Check out the Dia de los Muertos display.
5. Listen to the soothing/creepy sounds of the Cadaver Dans.
6. Meet Jack Skellington and Sally from Tim Burton's The Nightmare Before Christmas.
7. Speaking of Jack and Sally, see how they and the rest of the gang from The Nightmare Before Christmas have taken over the Haunted Mansion.
8. Try not to be scared silly by the new Hatbox Ghost, who has been added to the Haunted Mansion Holiday ride.
9. You'll also want to take a gander at this year's gingerbread house, which features clumsy gingerbread men building a teetering house of cards.
10. Stumble across — and interact with — Disney villains as they make their way through the park.
11. You can also score photo ops and autographs with villains at the Disneyland Train Station.
12. See Mickey, Minnie, Goofy and other favorites decked out in Halloween costumes.
13. Feast on Halloween-themed treats you can't get any other time of year.
14. This Maleficent-shaped rice krispy treat is scarily cool, too.
15. You can also buy Halloween-themed souvenirs like this "poison apple" cup.
16. Bust your best moves at “Monsters U Dance Party.”
17. Strike up a conversation with a talking scarecrow.
18. Visit "It's a Small World" to see it lit up with impressive Halloween-themed projections.
The Sleeping Beauty Castle looks pretty amazing on these nights, too.
19. Bask in the glow of over a million lights while watching the "Paint the Night" parade.
20. Look skyward for the Halloween Screams fireworks spectacular hosted by Master of Scare-omonies (get it?) Jack Skellington.
See? Amazing.
21. Here's one more cool thing to see — the scary projections on the buildings along Main Street.
