Answer: The image detail that best supports the main idea of the text is "the scenic view of the canyon rising from the ground."
Palo Duro is described by the author as one of the most illustrious tourist destinations known to man.
As mentioned in the excerpt, some of the Palo Duro - A Canyon's features are:
It has a landscape that is predominantly red.
It has scenic views that only compare to the Grand Canyon in Arizona, with rocks balanced on top of one another and glamorous carvings cut by erosion that are simply breathtaking to behold.
