When Spanish Conquistadors obliterated the historical record of the Maya in the 16th century, did they wipe out evidence that ancient people traveled to the Americas from all over the world--and in flying craft provided by extraterrestrial visitors?

Serpent gods are found in the religious traditions of Mesopotamia, Central and South America, India, China and Japan. Even the Bible describes reptilian entities interacting with humans. Could these stories be describing a race of reptile-like extraterrestrials? And if so, are they still here today?