Some of the most America's dramatic parklands feature canyonlands, valleys, gorges and canyons. Choose some of the best travel and sightseeing destinations. The world is a wonderful place with lots of wonderful places to visit. Top Dreamer brings you the most famous and beautiful valleys in the world. Death Valley: structural depression primarily in Inyo county, southeastern California, U.S. It is the lowest, hottest, driest portion of the rise to the famous mule team wagons, which hauled the product to Mojave, California.