Taking the I 90 through South Dakota? Al's Oasis awaits you! Its not a mirage its a real oasis in the desert. You'll find great accommodations at the Oasis Inn. Al's offers camping, gas, groceries, diesel, and a great restaurant/bar. Al's is located near historical attractions like the Akta Lakota Museum and Cultural Center, Lewis and Clark Trail, Native American Scenic ByWay, and South Dakota Hall of Fame. Hunting, fishing, hiking, and biking are all popular in and around the Missouri River on Lake Francis Case.