From Mesoamerican mysteries to local legends, history waits to be unearthed on Colorado's western slope. Revelations include discovering new evidence in the infamous Alferd Packer case and old Spanish colonial relics near Kannah Creek. Investigators follow the trail of lost Spanish explorers searching for the Seven Cities of Gold and pursue archaeological signs of a prehistoric civilization north of Collbran. Expeditions search for the legend of the Utes' Cave of the Ancients and the fabled location of Aztlán, the Aztecs' original homeland. A crew of historians, archaeologists and scientists, the Western Investigations Team uses ground-penetrating radar, electron microscopy, innovative metallurgic research and newly discovered documents to reexamine fascinating historical questions and contribute new chapters to history.