Disneyland is celebrating its Diamond Anniversary.
While some things look almost identical to the day it opened (like the entrance to Adventureland), a lot has changed since 1955. The Indiana Jone Adventure, for instance, opened 1995 and California Adventure made its debut in 2001.
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Check out the gallery above to see how the happiest place on earth has changed over the years!
What's your favorite ride at Disneyland? Let us know in the comments below!
The Walt Disney Company is the parent company of Disneyland and this station.
Sleeping Beauty Castle at Disneyland on Opening Day in 1955 and during the Diamond Celebration, May 22, 2015. (AP|ABC Owned Television Stations)
Children sprint across a drawbridge and into the castle that marks the entrance to Fantasyland at the opening of Walt Disney's Disneyland in Anaheim, California, July 17, 1955. (AP)
Mickey Mouse rides in the locomotive cab of a circus train as it arrives at a station in Disneyland, Anaheim, California, July 18, 1955. (Photo by Allan Grant/The LIFE Picture Collection/Getty Images)
Crowds of people watch the 'Tomorrowland' portion of a parade in celebration of the opening of the Disneyland amusement park, Anaheim, California, July 17, 1955. (Allan Grant/The LIFE Picture Collection/Getty Images)
December 1960: Entrance to Adventureland at Disneyland, California. (Alan Band/Keystone Features/Getty Images)
December 1960: The entrance to Tomorrowland at Disneyland in California. (Alan Band/Keystone Features/Getty Images)
December 1960: Monorail rides at Disneyland, California. (Keystone Features/Getty Images)
Walt Disney admires one of his electronically-controlled animated birds at the opening of his latest character show at Disneyland, Oct. 8, 1965. (Alan Band/Fox Photos/Getty Images)
View of the castle at Disneyland in Anaheim, California, c. 1970. (Hulton Archive/Getty Images)
A boatload of visitors cruise through Disneyland's dreamworld in 1970. (Dean Conger/National Geographic/Getty Images)
Mickey Mouse with Emperor Hirohito and Empress Nagako during the royal couple's visit to Disneyland, Oct. 8, 1975. (AP)
Mickey Mouse and Donald Duck ride a float together down Main Street in Disneyland during a parade in celebration of the amusement park’s 30th anniversary, July 18, 1985. (AP)
Minnie and Mickey Mouse pose with other dignitaries at the rededication ceremonies at Disneyland Resort in Anaheim, Calif., on January 11, 1990. (AP)
Super Bowl champion San Francisco 49ers Jerry Rice and Steve Young take a ride on the teacups at Disneyland on Tuesday, Jan. 31, 1995. (AP)
Michael Eisner and director George Lucas open the Indiana Jones adventure attraction at Disneyland in Anaheim, California. (AP)
Large concrete letters mark the entrance to the new California Adventure, the latest addition to the Walt Disney theme park family, in Anaheim, Calif., Dec. 8, 2000. (AP)
Grand opening days of Disney's California Adventure theme park February 6, 2001 in Anaheim, CA. (David McNew/Newsmakers)
Sleeping Beauty Castle, December 24, 2004. (Barry King/WireImage)
Mickey Mouse climbs the summit of the Matterhorn at Disneyland on July 15, 2005 in Anaheim, California. (Matthew Simmons/Getty Images)
A view of the new Tomorrowland attraction 'Buzz Lightyear Astro Blasters' during the Disneyland 50th Anniversary Celebration at Disneyland Park on May 4, 2005. (Frazer Harrison/Getty Images)
Sleeping Beauty's Castle and statue of Walt Disney and Mickey Mouse, May 5, 2005. (Barry King/WireImage)
Patrons walk down Main Street U.S.A. at Walt Disney Co.'s Disneyland amusement park in Anaheim, California, U.S., on Thursday, Aug. 5, 2010. (George Frey/Bloomberg via Getty Images)
The monorail arrives in the Tomorrowland station past the Matterhorn at Walt Disney Co.'s Disneyland Park, on Wednesday, Nov. 6, 2013. (Patrick Fallon/Bloomberg via Getty Images)
Guests ride the Tea Cups at Walt Disney Co.'s Disneyland Park, part of the Disneyland Resort, in Anaheim, California, U.S., on Wednesday, Nov. 6, 2013. (Patrick Fallon/Bloomberg via Getty Images)
A balloon vendor during the Diamond Celebration, May 22, 2015. (ABC Owned Television Stations)
A band plays outside Sleeping Beauty Castle during the Diamond Celebration, May 22, 2015. (ABC Owned Television Stations)
The crowd awaiting the official start of the Diamond Celebration, May 22, 2015. (ABC Owned Television Stations)