My favorite ride is Thunder Mountain Railroad
I would say, Mickey's toon town, but do note Disney was a twisted man, so some of the rides are scary for toddlers, (think the scary parts of the Disney movies style) the railroad is awesome. The show Mickey's magical map, is def a to see with your kids. Just be prepared for lines for rides and bring a water bottle.
Sleeping Beauty Castle is currently under renovation, but there are a lot of happy places in Disneyland. In front of Splash Mountain overlooking the Rivers of America, in front of Small World, Main Street train station, the views while driving on Autopia, and Thunder Mountain are some of my favorites. Pixar Pier over in Disney California Adventure is really great too.
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