Here You Leave Today And Enter The World Of Yesterday, Tomorrow And Fantasy Those, as you may recognize, are the words that greet guests as they walk through the tunnels and out onto Main Street, U.S.A., in The Happiest Place on Earth, Disneyland. Disneyland Park opened in 1955 and was Walter Elias Disneys long fought theme park vision brought to life. What made Disneyland so unique was that it...