The Wachau Valley is incredible. I was fortunate enough to spend a couple days in Waldkirchen on a VBT Bicycling vacation this past June.
We stayed in the Raffelsberger Hof bed and breakfast, feasting on Marillen preserves, and spent three days pedaling up and down the Danube. Highlights included the Benedictine Abbey in Melk, hiking up to Dürnstein for a sunset picnic and biking through the farmer's market in Ottensheim, only to find Raku pottery, a wealth of recycled jewelry and incredible woolens from around the valley. VBT treated us to a fine sampling of Grüner Veltliners and Reisling wines in a refinished wine cellar in Waldkirchen, and after a long day of riding, that sweet, aromatic white wine simply hit the spot.
If you are interested in exploring the Wachau Valley, I encourage you to take a bike tour. Free from a tour bus, I was able to explore the countryside at my own pace, inhale the sweet aroma of apricots along the flood plains of the Danube, and enjoy white wine sabayon and Marillenkuchen (apricot cake) at the end of the day, without feeling guilty.