Fodor's Expert Review The Dalles Lock and Dam

At this hydroelectric dam 50 miles east of the Bonneville Dam, you can tour a visitor center, which is located on the Oregon side of the river at Seufert Park, with surprisingly even-handed exhibits presenting differing perspectives on the Columbia River dams, with input from farmers, utility companies, environmentalists, and indigenous tribes. There's also a live feed of salmon and sturgeon scaling the fish ladder.