The city Linz offers a lot of sights to its visitors, e.g. Ars Electronica Center, Pöstlingberg with the Grotto Railway, museums, and so on.
Sightseeing Highlights apart from those in Linz can be reached easily by train, e.g.: Vienna (2 hours), Salzburg (1,5 hours), Salzkammergut (1 hour), Innsbruck (3 hours).
More information about Linz and Austria is available at:


http://www.linz.at
http://www.austria-tourism.at
http://info.wien.at
http://www.salzburginfo.or.at
http://www.salzkammergut.at
http://www.innsbruck.at
http://www.graz.at