Walt Disney wanted to build Space Mountain at Disneyland a decade before the indoor roller coaster forever altered the skyline of the Magic Kingdom a few years after the debut of the Florida theme park. Disney’s Magic Kingdom theme park will celebrate the 50th anniversary of Space Mountain on Wednesday, Jan. 15.

Space Mountain in Walt Disney World celebrates 50 years of operation. Initially opening on 1975, Space Mountain, an indoor steel rollercoaster themed to space travel, has been a staple of Tomorrowland,

Space Mountain, at Walt Disney World! Celebrate the magic of milestones at Walt Disney World this year and reminisce about your own Disney childhood milestones.