The 24th Parallel is a circle of latitude located 24 degrees north of the Earth's equator. It runs across several countries, including parts of Mexico, India, and Egypt. This parallel is significant in geography and climate studies, as it often marks the boundary between different climate zones. In the context of U.S. geography, the 24th Parallel is notable for its historical significance, particularly in relation to the U.S.-Mexico border. It has also been used in various cultural references, including literature and film, symbolizing division or transition between different regions.