If you want to focus on sightseeing during your stay in Austria, then… make a lot of time. The country offers a lot of interesting places, both historical buildings and museums. Most of them are concentrated around large cities. Vienna delights with huge palaces, excellent museums, a beautiful old town and a whole host of other attractions. It is worth spending at least 2-3 days for your stay in the capital of Austria. Lots of picturesque castles, monasteries and towns also await you in the Wachau Valley . Also check out Salzburg , Mozart's city , included on the UNESCO list. The capital of Styria, Graz , also has a lot to offer.