In the heart of Nebraska’s Sandhills, where rolling prairies stretch to the horizon and cornfields meet endless skies, Carhenge unexpectedly rises from the soil. Hulking gray cars, partially buried in the earth, standing upright like ancient stones. It’s not a scene from a science fiction film or a post-apocalyptic novel. It’s one of the most imaginative and oddball roadside attractions in the United States. Located just outside the small town of Alliance, Nebraska, Carhenge is a full-scale replica of England’s Stonehenge. But instead of massive slabs of rock, its creator chose a very different material to summon ancient vibes on American soil: old cars. Dozens of vintage vehicles are arranged…