The Herrera caves were visited in their entirety in 1978 by the North American cavers Roy Jameson and Paty Mottes, in what was the property of Don Benito Herrera who discovered these that are one of the main attractions of San Joaquin. Located two and a half kilometers from the town, the caves are the only ones in the state of Querétaro equipped with walkways to receive the public, the rooms of the great cave are full of stalactites and stalagmites with the most diverse shapes, which resemble figures of animals or even a “waterfall of diamonds” that the brilliance of the minerals makes reverberate, awakening the imagination of the visitors.