If you're intent on tasting the best of what the Wachau has to offer, it's a good idea to do a broad range of vineyards, from the innovative family-run operations to the big boys like Domäne Wachau, one of the region's most well-known producers internationally. A large, modern tasting room is set back from the river and staffed by an army of keen young assistants. It also stocks some nice local food products if wine's not your thing.