Watch Regensburg in 3D (2012) : Full Movie Online Free The documentary "Regensburg 3D" is the first film in the series "Germany in 3D." Shows the most interesting and popular of the city, as the Gothic cathedral and the stone bridge, but also beautiful images of the surroundings, as Donaustauf Walhalla near the nature reserve of hell in the Middle Bavarian Forest's Throat Danube near Kelheim.