Today, 39 tribal nations, each with its own distinct language and history, reside within Oklahoma. In some regards, that makes the state a more culturally and linguistically diverse place than the European continent. Of course, this consolidation was not by choice. And while the story of the First Americans is known far and wide, one museum in Oklahoma City takes a more comprehensive and hopeful approach to the 20,000-year history of the continent. A 175,000-square-foot museum on the banks of the Oklahoma River, the First Americans Museum is the largest…