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The Ice Age National Scenic Trail goes through this tunnel, which is part of a railway trestle. This side is the cool green forest. That one is the city of Janesville, Wisconsin (USA).
Sunlit leaves screen one of the many railway bridges across the Rock River in Janesville, Wisconsin (USA). This a view from the Ice Age National Scenic Trail.
It's just the overturned roots of an old tree, along the Ice Age National Scenic Trail in Janesville, Wisconsin (USA). My overactive imagination, of course, saw an alien space creature. Based on the spider webs, it apparently doesn't move much.