They may both be run by the same iconic mouse, but these two theme parks each have a flavor all their own, with unique rides, shows and histories. Put on your mouse ears and see if you can tell them apart in our Disney parks quiz!
Disneyland opened July 17, 1955, while Walt Disney World opened 16 years later, on October 1, 1971.
The Walt Disney World Resort in Orlando measures 40 square miles — about the size of San Francisco — while Disneyland in Anaheim, California is just a fraction of that size.
While Disney World is made up of four separate parks, Disneyland includes just two parks.
While Disneyland is built at ground level, Walt Disney World is built above a vast network of maintenance tunnels, known as utilidors.
Sleeping Beauty Castle can be found at Disneyland, while the much larger Cinderella's castle is located at Walt Disney World.
Pirates is original to Disneyland and was shortened significantly when it was recreated in Florida.
At Disneyland's Critter Country, you can experience attractions like Splash Mountain or The Many Adventures of Winnie the Pooh.
You can only ride Rock 'n' Roller Coaster at Disney's Hollywood Studios at Walt Disney World, but California has the equally thrilling California Screamin'.
While both resorts have a monorail system, the one at Disneyland is more like a ride or attraction, while the one at WDW in Florida is a vital part of the resort's transportation network.
Disney was present for the opening day at Disneyland, but passed away five years before Disney World opened its gates. And, no, he's not cryogenically frozen somewhere in the park.
The Matterhorn towers over Disneyland, but was never recreated for Walt Disney World.
The massive Seven Seas Lagoon, which is only found at WDW in Orlando, was dug out of the Florida swamp land. The dirt extracted from the site was built up to serve as a base for the Magic Kingdom park.
While a few lucky guests get to experience the incredible suite in the castle at Disney World, the castle at Disneyland in California has no such royal suite.
Soarin' Over California originated at Disneyland. When the ride was recreated at Epcot in Florida, they kept the same visuals of California used in the Disneyland version of the ride.
The exclusive Club 33 can only be found at New Orleans Square in Disneyland and is open to members only. The club was never recreated at Walt Disney World.
The ride is styled after a grand southern mansion at Disneyland, while it has a gothic revival style at Disney World. The two look nothing alike when you compare them side by side.
Indy fans will have to head to Disneyland, which is the only Disney park to offer guests a ride into the Temple of the Forbidden Eye.
Avatar Land, inspired by the 2009 blockbuster film, is coming to Animal Kingdom in 2017.
Both Disneyland in California and Disney's Hollywood Studios in Florida will have plenty to offer fans of the film series.
The new Fantasyland took several years to complete and opened in spring 2014.
Be Our Guest is a restaurant in Fantasyland, where guests are able to dine inside the Beast's enchanted castle.
Some classic rides, such as Mr. Toad and Snow White's Scary Adventure, can only be found at Disneyland.
Blue Bayou is poised at the entrance to Pirates, but only at Disneyland.
Only visitors to Disneyland can experience this special holiday décor, while WDW visitors will experience the same Haunted Mansion experience year-round.
Disney World visitors can soak up the sun at Typhoon Lagoon or Blizzard Beach, while Disneyland has no water parks of its own.
Visitors to Disney's California Adventure can ride the popular and thrilling Radiator Springs Racers, which can be found in Cars Land.
The leisurely ride in the Canal Boats takes riders on a tour of fairy tales in miniature. While a Disneyland staple, the ride was never recreated for Disney World in Florida.
The Haunted Mansion can be found in Liberty Square at Disney World, or in New Orleans Square at Disneyland.
Disney World employs around three times as many workers as Disneyland.
Walt Disney World is the world's most popular them park in terms of visitors, though Disneyland remains in the top three most-visited parks in the world.