What are some objects North Dakota is famous for?

Probably the most famous objects in North Dakota are the World's Largest Sculptures located along the Enchanted Highway. The Enchanted Highway extends from Interstate 90 near Dickinson, North Dakota, south to the town of Regent, North Dakota. Currently there are six sculptures and the Enchanted Highway Gift Shop, all of which have been produced by artist Gary Greff of Regent, North Dakota.