they do because of its country spirt
Yes you must have a Valid visa to go to Brazil. Depending on where you live,is which consulate you will have to apply at. Each Brazilian consulate process Brazil visas by jurisdiction. If you live...
see related links I have also added a link, I hope you find what you are looking for!
Kind , Depends where you going (South is more expensive than North)
For citizens of some countries no visa is required.