Mississippi River at it confluence with the Missouri River. The Missouri comes out of the sweeping curve in the background, into the Mississippi River, which covers the entire foreground. Lewis and Clark State Historic Site (Illinois)
<a href="//commons.wikimedia.org/wiki/User:Chris_Light" title="User:Chris Light">Chris Light</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>