Groupe Dufour cruises - Whale watching cruises, including excursions on the St-Lawrence River from Quebec City to Tadoussac. www.croisieresbaleines.com/introang.html
River Barge USA - The River Explorer hotel riverboat. www.riverbargeusa.com
Steamboat Cruising - Three to seven night cruises on the Mississippi. www.steamboatcruising.com