Originally Posted by JDiver
Brazil charges Americans like a wounded bull for their visa - only because it is reciprocity with the U. S. fees. You can request a multiple entry visa good for five eyars - that's what we had in our old passport (so, we have to get a new one...)
Currently it seems they wink at day travelers from Argentina to Brazil and donīt require a Visa. Everyone must pass through Argentine customs, but the Brazilians donīt inspect your papers or stamp your passport.
I much preferred the Argentine side of the falls.