Still sizing up your summer travel plans? Well, if you’re looking to enjoy some of the most fascinating locations ever created by Mother Nature, then you might want to check out one of these gorgeous and strange natural landmarks.Salar de Uyuni, BoliviaThe title of “world’s largest salt flat” might not sound all that exciting, but when you actually see pictures of these gorgeous 4,000 miles of flatlands, you’ll immediately see why they are so special. The entire salar is cov...