Book excerpt: This fun, fact-filled book allows you to explore the most awesome natural, and man-made, sights and experiences on our planet. You'll find mind-boggling mountains and caves, giant waterfalls, extreme weather, and amazing undersea adventures, as well as the world's tallest towers, biggest bridges, and most awesome machines. Each topic includes an awesomeness rating, indicating its amazingness on a scale of one to five. Side panels, statistics, stunning color photographs, and fascinating facts on every page highlight the most awesome things our world has to offer.