Ancient CivilizationsWere Mysterious Fire Pits Found At La Quemada Used As Giant Torches? Posted on May 28, 2025 by Administrator The large ancient fire pits discovered at La Quemada, an archaeological site in Zacatecas, Mexico, are intriguing for several reasons. Although the exact purpose and method of their use remain uncertain, there are some fascinating theories. One such theory proposes that these fire pits may have served as giant torches to illuminate nighttime ceremonies.