Fly to Vegas, drive east.
There are multiple options for guided photo tours - plan on at least two full days here. Web search will give you lots of options, along with ratings for each guide. Overnight on the mesa is a lifetime experience.
Epic trip with my son brought us to sunrise guide taking us to multiple locations in Monument Valley. The light played like an orchestra that morning, serving up a wide variety of light and color. This is one of my favorites, from somewhere off the beaten path.