The geography of our planet is a captivating topic: the Rocky Mountains of the American West, the icebergs of Antarctica, the Himalayas, Angel Falls in Venezuela, the African savanna, the Alaskan tundra, the islands of Indonesia, the Okavango Delta in Botswana, the Australian Outback, the Patagonia region of Chile, Iguacu Falls in Argentina, the American Great Plains, Death Valley in California, the beaches of Thailand, the Strait of Gibraltar, the Red Sea, the Southern Alps of New Zealand, the Kalahari Desert of Namibia, the plains of Mongolia, and Kilaueu volcano in Hawaii ... all await our attention.