When did Holidayland close at Disneyland Park ?
The park opened with " Main Street , U.S.A . " , " Adventureland " , " Frontierland " , " Fantasyland " , and " Tomorrowland " , and has since added New Orleans Square in 1966 , Bear Country ( later Critter Country ) in 1972 , and Mickey 's Toontown in 1993 .