There is a great choice of places to eat and visit for any holidaymakers so if boredom sets in then you are not trying hard enough to find attractions that can keep the whole family entertained.
A benefit with visiting towns such as Iowa means that there are plenty of national parks and from my research, there is the added bonus of many free attractions and how often can someone get a day out for free? Take advantage of this because you don’t need to spend money to have fun.