If you're coming to the World Cup enjoy your time maximizing your Brazilian experience. Brazil has incredible landscapes and animals in each different biome. If you would like a nature tour before or after the World Cup, request a copy of the itinerary for the city you would like to explore and have an unforgettable Brazilian experience!
The biomes and correspondent host cities of 2014 World Cup are:
Caatinga: Fortaleza, Natal, Recife and Salvador
Cerrado: Brasília, Cuiabá and Belo Horizonte
Atlantic Forest: Curitiba, São Paulo, Rio de Janeiro and Belo Horizonte
Pampas & Native Grasslands: Porto Alegre and Belo Horizonte
Also take a look at the 2014 World Cup webpage http://www.fifa.com/index.html?language=en.