Welcome to Amazon Explorer's Official Blog: Expeditions & survival in the Amazon jungle (Iquitos, Peru, South America). Amazon Explorer organizes expeditions to the Pacaya-Samiria National Reserve and other areas within the Peruvian Amazon; remote indigenous tribes as the Matses (Mayoruna), the Shuar (Jibaro) or the "Headhunters", world famous for their Tsantsa, the shrunken human heads, and other indigenous tribes. VISIT OUR NEW BLOG. LINKS ON OUR LAST POST.