On This Day In History On This Day In History: Cliff Palace At Mesa Verde, Colorado Discovered – On Dec 18, 1888 MessageToEagle.com | December 18, 2016 MessageToEagle.com – On December 18, 1888, the Cliff Palace at Mesa Verde, Colorado, was discovered by rancher Richard Wetherill (1858- 1910) and his brother-in-law Charlie Mason, who were Read More