The canton of Aargau takes its name from the Aare River, which flows through the Swiss Plateau here between the Mountains of the Jura and the Alps. Formed in 1802, the canton is lesser-known than other Swiss destinations, but its relative seclusion makes it all the more appealing to visit. Among the highlights of the Aargau countryside are its castles. Some, including the moated Schloss Hallwyl and Wildegg tell the stories of noble families. Others, such as the 11th-century fortress the Habsburg Castle are much older, dating back to the Middle Ages and the height of the Habsburg dynasty.