HarshLight, Flickr
Sleeping Beauty\'s Castle decorated for the Diamond Celebration at Disneyland that begins on May 22.

This year is the 60th anniversary of the opening of the world's most famous theme park, Disneyland. The festivities and celebrations for this diamond anniversary will begin May 22.

Disneyland opened its doors on July 17, 1955 in Anaheim in sunny Southern California, and for the last 60 years has entertained families from all over America and the world with its magic and magnificence.

With timeless and lovable characters like Mickey Mouse, Donald Duck and Goofy, kind and beautiful princesses like Cinderella, Ariel and Elsa and thrilling and beloved rides like Space Mountain, Matterhorn Bobsleds and It's a Small World, the "Happiest Place on Earth" is still an important symbol in pop culture today.

Get your Mickey ears on and celebrate the Diamond Celebration of Disneyland! Here are 21 things to look forward to if you and your family visit Mickey Mouse and friends this year.