Texas

Glen Rose, Texas, United States known for having 113 million-year-old well-preserved theropod and sauropod footprints across five main tracks throughout the 1.52k-acre park.[2][3] The tracks were formed along the coast line of what was a vast inland sea, when these dinosaurs stuck their feet into fine-grained limy soft mud, their footprints were perfectly preserved.[4] In 1909, the area was uncovered when a child discovered "large, three-toed tracks" along the river following a flood on the Paluxy River a year earlier."