IF YOU GO

River cruises: Prices vary by time of year, itinerary and level of luxury with fares typically per person, double occupancy, covering meals and most shore excursions. European river cruise season generally runs until October but there are also Christmas market cruises in Austria and Germany in late November and December. Companies that offer European river cruises include Avalon Waterways, AmaWaterways, American Cruise Line, Uniworld Boutique River Cruise Collection, Vantage, Viking, Regent, Seabourn and Silversea.