The “Camino Real de Tierra Adentro” is the oldest and longest in trade road in the American continent, having an extension of around 2,900 kilometers. Originally departed from the Plaza de Santo Domingo in Mexico City and ended in the City of Santa Fe in New Mexico (now United States).
This road was drawn by the conquistadors to facilitate commerce mainly of silver, reason why it is also popularly known like Way of the Silver or Route of the Silver.
The precious,attracted diverse prehispanic groups such as: Tlaxcaltecas, Otomies, Tonaltecas and Mayas; as well as Europeans: Spanish, Portuguese, Flemish, French, Italian, English and German, contributing to the cultural and racial diversity of the City of Querétaro.
On August 1, 2010, the UNESCO World Heritage Committee declared the Camino Real de Tierra Adentro as a World Heritage cultural itinerary, registering 60 sites throughout eleven states of the country, from Mexico City to Chihuahua.
Given its cultural characteristics and historical significance, the section of the road that passes through US territory (a total of 646 kilometers) was declared as National Historic Trail in October 2000.