The Wachau and the rest of the Danube Valley contain some of the most impressive monuments in Austria, but because of their far-flung locations, many prefer to participate in an organized tour. The best of these are conducted by Vienna Sightseeing Tours, Starhemberggasse 25 (tel. 01/7124-6830; fax 01/714-1141; www.viennasightseeingtours.com), which offers guided tours by motorcoach in winter and by both motorcoach and boat in summer. Stops on this 8-hour trip include Krems, Dürnstein, and Melk Abbey. Prices are 61€ ($98) for adults and 30€ ($48) for children under 12, and do not include lunch. Prices include lunch in winter. Advance reservations are required.

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.