Once Upon a Time in the West was filmed in Granada & Almería in Spain.
Monument Valley
In movie
Scene where Jill is taken to the McBain farm by coach.
Real
Mystery Valley
In movie
Scene where Morton and Frank have a discussion.
Real
Scene was shot Mystery Valley is a part of Monument Valley that can only be visited with a Navajo guide. There are several archeological sites and homes of Navajo families.
Kayenta