1. Outside the Kwik-E-Mart in Springfield at Universal Studios, pick up the phone when it rings and you'll hear Simpsons characters on the other line.
2. And at Moe's Tavern, you can buy a "Flaming Moe" drink — which is basically an orange soda with dry ice.
3. Steven Spielberg makes a cameo as a Simpsons character on the Krustyland ride (which was previously the Back to the Future ride).
4. When you're on Revenge of the Mummy, to the left in the golden room of hidden treasures, there's a mini statue of King Kong in memory of the previous ride.
5. On the Hollywood Rip Ride Rockit roller coaster, you can hold down the logo on the screen and access a secret playlist.
6. The facade of Men in Black pays homage to Flushing Meadows Park in New York and the St. Louis Gateway Arch in Missouri.
7. The score for the new Jimmy Fallon ride was created by The Roots.
8. In one of the alleys of the New York area of Universal, you'll see a poster for The Blind Pig, which is the speakeasy in Fantastic Beasts and Where to Find Them.
9. At King's Cross station, you'll notice an advertisement for perfume — which is a nod to a scene in the Half-Blood Prince movie.
10. In the photo booth at the entrance of Diagon Alley, you can dial MAGIC (62442) and it will connect you to the Ministry of Magic.
11. If you stop by 12 Grimmauld Place, you'll see Kreacher make an appearance in the window.
12. In the window of the apothecary in Diagon Alley, you'll spot a pair of Jaws teeth in tribute to the ride.
13. Blue Man Group replaced Nickelodeon Studios, but you can still see the green slime tiling in the bathrooms.
14. When in line for the Forbidden Journey ride, you can hear a teacher lecturing behind the Potions classroom door.
15. In the bathrooms at Hogsmeade, you’ll hear Moaning Myrtle’s complaints and cries.
16. At the Hog’s Head pub (inside Three Broomsticks), you can see the talking heads from Prisoner of Azkaban.
17. In the Marvel section, you'll notice that artist Adam Kubert signed his name in all the giant comic book characters.
18. You can spot Stan Lee four times on the Spider-Man ride.
19. There's also a hidden Iron Man poster on the wall at the beginning of the ride.
20. They recently remodeled the Hulk ride, and Fall Out Boy's Patrick Stump did the score.
21. The Hulk ride was originally going to be about the Silver Surfer, but creators thought a chrome roller coaster so close to I-4 wasn't a great idea.
22. The palm trees in Seuss Landing are actually "survivors" from Hurricane Andrew. Universal used them because they were bent and curved, providing a whimsical effect.
