lamulana/gate_of_guidance/snake_sanctuary.md

Skelleton wall brings you to pit_of_the_holy_grail
Pour thy memories into the Holy Grail.
Leave thy mark on this land.
Then raise the Holy Grail up and recall lands once traveled.
In doing so, thou will once again stand upon that land.

[Archaeology Dictionary: The Mechanical God]
Resembles the mural discovered in the La Venta ruins of the Olmec civilization in Mexico.
Looks like a human riding a dragon-shaped machine.