Spanish conquistadors four centuries ago, vainly searching for riches in the North American heartland, encountered a remarkable American civilization that eventually faded from memory. After a new look at an old Spanish journal and a long-ignored map, an archaeologist invites high-tech specialists to peer beneath the Kansas surface and test a novel interpretation. Caught on camera, this research confirms a 1601 battle between conquistadors and natives, revealing a radically surprising past world. Prepare to experience the long-forgotten land of Quivira.