Templo Mayor (Great Temple) by Aztecs, Mexico City

Writhing serpent

The Frog Altar

Serpent heads at hte end of the ramps of the stairs up the Great Temple

Sculpted offerings (replicas)

Chacmool sculpture at the entrance to Temple of Tlaloc

House of Eagle Knights

Tzompantli altar - wall of skulls covered with stucco

The site during the Aztec era

The site today, with Plaza de la Constitucion, Cathedral Metropolitana, and Palacio Nacional

Wall of Skulls (Tzompantli shrine). This one inside the museum is a replica of the original one on the site.