The Valley of Spiders is a science fiction short story by H. G. Wells that explores themes of evolution, survival, and the relationship between humans and nature through a narrative involving giant spiders and the consequences of human actions.

In this story, a man finds himself in a valley inhabited by enormous spiders. As he navigates this strange environment, he reflects on the nature of life, the potential for evolution, and the fragility of human existence in the face of nature's power.