National Park Service.
Travel along El Camino Real de Tierra Adentro National Historic Trail to experience and learn from a complicated legacy of 300 years of conflict, cooperation, and cultural exchange between a variety of empires—European and non-European alike.
You can visit many sites of the El Camino Real de Tierra Adentro National Historic Trail over the 404-mile U.S. historic route (thousands of additional miles in Mexico) that crosses two states.