Disneyland in Anaheim, California, was the very first Disney theme park to open, debuting on July 17, 1955. It holds a unique place in history as the only theme park designed and constructed under the direct personal supervision of Walt Disney himself. In 2026, it is often referred to as "The Original" to distinguish it from Walt Disney World in Florida, which didn't open its first gate (Magic Kingdom) until 1971. Disneyland revolutionized the concept of the amusement park by introducing themed "lands" like Fantasyland and Tomorrowland, focusing on immersive storytelling rather than just thrill rides. For travelers in 2026, visiting the original park offers a distinct, compact charm and historical weight that newer parks strive to replicate but can never truly duplicate, as it remains the foundation upon which the multi-billion-dollar global Disney Parks empire was built.