As usual we're always searching for more travel solutions for you. Check out the National Geographic Talk Abroad Travel Phone. You get Unlimited Free incoming calls in 65 of the most popular travel destinations and Coverage in 230 countries. Being able to rent a cellphone rather than purchase one is a good solution. Many countries in South America work on different grids and often US and Canadian cellphones don't work here. Stay in touch while overseas and pay less! Rather than risk purchasing a cellphone and paying for an expensive service contract you won't be able to use try Travel Phone Rentals at Cellular Abroad Click Here. National Geographic's net proceeds support research, exploration, education and conservation! Very cool!