Our last day we go an overnight bus from Iguazu to Buenos Aires which took 20 hours. But the busses in Argentina are like business class on a plane, big seats that fully recline so you can sleep, a tv, and decent food.
When I flew into Iguazu, looking out the window looked liked we were flying into a remote jungle wilderness. Its small town on the border of Brazil and Argentina. After checking in to the guest house we went and got a trational brazillian feed where big cuts of all types of meat were brought to your table on big skewers and was all you can eat. It tasted so good we went back the next night. The next day we went to the Argentinian side of the waterfalls. When we got there it was raining so heavy that my raincoat was leaking. We still went up to the Devils Throat of the falls which was spectacular, there was so much water flowing over these falls and sound of it crashing down below was like thunder. It was so much bigger and better than I expected. The walk bridge takes you right up to the falls so you can look over the edge. We followed the walking track around through the jungle to another spot where there were more waterfalls and by then the rain had cleared up and it was sunny. It was like walking into a jungle paradise, just the view of the falls, the palm trees, the river and the little island beach was amazing. We spent the rest of the day exploring more waterfalls in the jungle and we took a boat over to the island to get a close up view right on the falls.