Answer:
Death Valley has been the setting of countless movies and novels.
Step-by-step explanation:
This is the detail that would best support the passage's main idea. In these passage, we talk about Death Valley, California. We learn a couple of things that show why Death Valley is so interesting, such as the fact that it has the lowest elevation in the country or the fact that legends about this region abound. However, mentioning the fact that Death Valley has been the setting of many movies and novels would also contribute to increasing the reader's interest.