The most popular state attractions are all privately run and owned places

(Click to enlarge, though the picture will be pretty blurry.)

#1: Mall of Americas: 40 million
#2: Times Square, NY: 37 million
#3: Las Vegas Strip: 30 million
#4: Faneuil Hall Marketplace: 20 million
#5: Walt Disney World: 17 million
#6: Disneyland: 14.7 million

Others
Navy Pier (Chicago): 8.6 million
San Antonio River Walk: 5.1 million
French Quarter (New Orleans): 5 million
Grand Canyon: 4.4 million
Independence National Historical Park: 4.1 million
Yellow Stone National Park (Wyoming): 3.1 million