Chichen Itza - Kukulkan Temple

What the Show Claims

• ›Ancient Aliens suggests the Temple of Kukulkan's astronomical alignments and the serpent shadow phenomena represent alien knowledge transferred to the Maya, with the feathered serpent deity possibly representing an extraterrestrial visitor.

What Archaeology Says

The Temple of Kukulkan (El Castillo) dates to around 1000 CE and is celebrated for its sophisticated astronomical alignments. The spring and fall equinox shadow effect results from intentional architectural design reflecting Mayan astronomical knowledge.