The Grand Canyon is a research area that focuses on the geological formations, biological diversity, and natural history of the Grand Canyon in Arizona, USA. Researchers study the unique ecosystems, geological processes, and cultural significance of the Grand Canyon to better understand its formation, evolution, and conservation. Studies in this area often involve interdisciplinary research in geology, biology, ecology, archaeology, and environmental science. The Grand Canyon provides a natural laboratory for researchers to investigate the Earth's history, biodiversity, and the impacts of human activity on natural landscapes.