GuruWalk puts you in touch with a wide range of great tours of the Austrian capital. Offered by locals in English and Spanish there are free walking tours of the major sights, a tour of the very best of Vienna, the passion, mystery and culture of Vienna and even a tour of the city's many castles.  All GuruWalk tours are based on tips: bookings are completely free. It's a great (and cheap) way to get to know this amazing city just a little better.