1) Aztec artifact 
A cuauhxicalli or quauhxicalli (kʷaːʍʃiˈkalːi, meaning `Eagle gourd bowl`) was an altar-like stone vessel used by the Aztecs to contain human hearts extracted in sacrificial ceremonies. A cuahxicalli would often be decorated with animal motifs, commonly eagles or jaguars. Another kind of cuauhxicalli is the Chacmool-type which is shaped as.....