Where should we go on our first road trip?

Last year my family went to New Mexico near eagles nest, and took a day trip to some Colorado sand dunes. They were a blast, and they have a cool river that runs through it, that you can walk through. Dont even need a bathing suit. lol. Here is the website for more info. a href="http://www.nps.gov/grsa/index.htm" rel="nofollow"http://www.nps.gov/grsa/index.htm/a