The production was shot without a completed script. As a result, there were many delays and arguments over what to shoot. Actor James Gandolfini admitted in behind the scenes interview that most of the film was "improvised".
About halfway through the movie Drew and Alicia are sick and they turn on the TV. The song (video) playing was "Cherry Pie" by Warrant. The captions say, "Poison: Cherry Pie".
There are no mountain ranges, such as the one depicted, within hundreds of miles of Chicago. However, it's possible that Drew, with his resources, "whisked" the family away to Colorado for the day.