One of the earth's greatest natural masterpieces, Brazil adventure trips symbolize the great escape into a primordial, tropical paradise. From the wild spectacle of Carnaval to the immensity of the lush Amazon, Brazil is a country of mythic proportions. It is the fifth largest country on earth with a melody of superlatives, the Amazon, the world's mightiest river; Iguazu Falls, with massive volumes of water cascading over the mile-wide escarpment of the Parana plateau; vast equatorial rainforest, palm-kissed beaches that stretch as far as the eye can see and deep canyons of granite and quartzite surrounded by densely covered forests. A vast range of diversity makes adventure...