America's longest rivers carve through mountains, plains, deserts, and cities, creating some of the country's most beautiful ...

Explore the Missouri River’s role in American agriculture history, from early settlers and the fur trade to its impact on westward expansion.

Rivers are essential for life, providing water, food, and transportation. They also shape landscapes and support ecosystems worldwide. Contents1. Nile River — About 6,650 km2. Amazon River System — ...