Iguazu Falls!!!

View of the rainbows and falls

The Falls and river below them. You couldn't see down more than about 150 feet as the mist was so thick...

La Garganta Del Diablo and mist spraying up from below.

K, S and I went to Puerto Iguazu to check out "las cataratas". It was a 17-hour bus ride from Estacion Retiro en BsAs and we stayed in a hostel (with happy hours!) right next to the station where we arrived. We took a local bus out to the park for 10 pesos, and tickets were around 60 pesos. If you get your ticket stamped, however, you can return for a second day at a 50% discount...These falls are MASSIVE and border Argentina and Brazil. After a short trek through a very manicured Amazonian forest you can take a trolley train to La Garganta Del Diablo (Devil's Throat) and stand at the top of this stunning display of the extreme forces of nature. From there, Upper and Lower Trails lead you to the smaller surrounding falls, beautiful views of double-arc rainbows included. There are also rafting/boating adventure options, but we opted for the more laxidaisical (and much cheaper) river ride that edges around La Garganta before taking you downstream towards the train, during which you can spy for tucans, crocodile species and other exotic wildlife. Just watch out for the tamer critters - the coati nasua love the sound tourists' plastic bags and could easily carry rabies...Can't say I was a huge fan of them ;). Otherwise this was one of the most beautiful natural phenomena I have ever seen. Quite literally a paradise on Earth...