He actually did go once he does not remember to Disneyland with all 5 kids his younger sis also got lost their then ashley witnessed hell trying to control 6 children running amok in Disneyland so he built the amusement park Grayson and his 2 sisters were still not satisfied so ash used to take only those 3 to Disneyland.. Grayson still loves Disneyland to him going with his whole family together is his treasured memory

chase: i haven't been to an amusement park before
"OMG wtf is ashley doing?! how did they raise these kids?????"
chase: we have a private one in our garden
"oh.... right..."