My wife and I are traveling to Argentina. We will be in Tierra Del Fuego and the Straits of Magellan, in the glacier area near El Calafate, at Iguazu falls and the surrounding jungle, and in Buenos Aires. Does anyone have experience photographing in these areas? Tips would be helpful. Also, I am concerned about keeping my DSL camera dry amidst - no pun - the massive spray and water at the falls and in Tierra Del Fuego.
Any ideas would be appreciated.

Thanks. Larry