Ten-story-high sand dunes, eye-tricking mirages, unlucky explorers - it's all here and more in this newest Where Is? book. From the #1 New York Times Best-Selling Who Was? series comes Where Is?, a series that tells the stories of world-famous landmarks and natural wonders and features a fold-out map! Imagine over three million square miles of sand dunes that are as tall as a ten-story building. That place is real -- it's...