All over the world there are places with unexplained mysteries. How was this built? Why was this built? In Hidden, Lost, and Discovered: Mysterious Locations, you'll find out what we DO know about these mysterious locations, and what is still left to learn!
The Hidden, Lost, and Discovered series explores some of the most interesting places around the world, that some people don't even know exist! Eye-catching photographs, hidden histories, and fascinating facts will pique the interests of readers in this high-interest, lower-reading level series.