In 1858, a curious dig in a New Jersey marl pit turned out to uncover one of the most important dinosaur finds in US history

A farmer's accidental discovery in a New Jersey marl pit in the 1830s led to the unearthing of the first nearly complete dinosaur skeleton in North America. This 1858 excavation of Hadrosaurus foulkii revolutionized public understanding of dinosaurs, transforming them from myth to tangible creatures and establishing a foundation for modern paleontological classification.