Passengers are guided by naturalists and historians along rivers, protected waterways, lakes, canals, and fjords throughout the world. Yacht ship, paddlewheeler, and river barge trips are offered.
A seven day trip is offered all year, which follows the trail of Lewis and Clark. See the Bonneville Dam, tour the Columbia Gorge Discovery Center, tour historic buildings in Astoria, and tour a replica of the 1805-06 winter headquarters of the Corps of Discovery.
Trips are also offered in Alaska, British Columbia, the South Pacific, Caribbean, Costa Rica, and more.