St Gallen is a beautiful old city with many buildings that have beautiful architecture. There are a couple of things in particular that the city is famous for, including the Open Air St. Gallen, which is a popular music festival held each summer. It’s also known for the tourist attraction the Abbey of St Gall, this is home to the earliest documented architectural plan on parchment and the library is amongst the oldest in the world. The city has an important location because it is the gateway to the Appenzell Alps so hiring a car in St Gallen is ideal.