The document describes Sal's journey across the United States from Euclid, Ohio to Lewiston, Idaho traveling along major landmarks and cities along Interstate 90. Students are instructed to follow along on a map, marking cities and landmarks visited. The journey takes Sal through 11 states, visiting notable places like Chicago, the Black Hills of South Dakota, Yellowstone National Park, and ending in Lewiston, Idaho, learning about Native American history along the route.