If you've ever wished you could play in the world's biggest sandbox, Great Sand Dunes National Park is the place for you! Nestled against the Sangre de Cristo Mountains, this park is unlike any other national park we've visited. Towering sand dunes rise out of the valley floor, creating an incredible landscape that almost doesn't seem real. It's home to the tallest sand dunes in North America, and it definitely brings out the kid in everyone. Trip Details: Where: Great Sand D