This austral summer I journeyed to the ultra-remote Pascua River. My trip had a motive akin to a new form of tourism: seeing the sights while they still exist. To hear about my trip, check out this feature in the Boston Globe Sunday Travel section.
A NY Times editorial on the same subject came out on April 1, 2008.
To learn more about dams and their effects, check out the World Commission on Dams report.