1/5Top River Cruise Ports in the U.S.Astoria, Ore., is a favorite port city among cruisers on U.S. rivers. // © 2014 ThinkstockPreviousNext2/5Top River Cruise Ports in the U.S.Baton Rouge, La., offers diverse architecture, outdoor markets and must-try regional cuisine. // © 2014 ThinkstockPreviousNext3/5Top River Cruise Ports in the U.S.Once docked in Cincinnati travelers can stroll through beautiful riverside parks and museums. // © 2014 ThinkstockPreviousNext4/5Top River Cruise Ports in the U.S.Many river cruisers look forward to stopping in New Orleans, and the historic Jackson Square is one of many sights to see. // © 2014 ThinkstockPreviousNext5/5Top River Cruise Ports in the U.S.In Vancouver, Wash., cruisers might visit a local brewery or winery, or head to Fort Vancouver for a history lesson and great views of Mount Hood. // © 2014 ThinkstockPreviousNext