<p><strong>After a flash <a id="e4c." title="flood" href="http://environment.nationalgeographic.com/environment/natural-disasters/floods-profile">flood</a>, a damaged minivan leans against a tree at the Albert Pike Recreation Area in Langley, <a id="m.3m" title="Arkansas" href="http://travel.nationalgeographic.com/travel/united-states/arkansas-guide/">Arkansas</a> (see <a id="k3-5" title="map" href="http://maps.nationalgeographic.com/maps/map-machine#s=r&amp;c=33.73347670599253, -92.82623291015625&amp;z=8">map of the state's southwestern region</a>), on June 12.</strong></p><p>The vehicle was swept up and tossed around during the Arkansas flash flood, caused by the swelling of the Little Missouri River early on June 11. The flooding sent a wall of water rushing through the Ouachita Naitonal Forest early Friday, sweeping away campsites and cabins in the middle of the night, according to the AFP news service. (See <a id="ftjf" title="pictures of floods around the world." href="http://environment.nationalgeographic.com/environment/photos/floods-general/#utah-flood-road_419_600x450.jpg">pictures of floods around the world.</a>)</p><p>Rescue workers on Monday found the last victim in the river, bringing the death toll to 20.</p><p>Floodwaters rose as quickly as 8 feet (2.4 meters) per second—so fast that the currents peeled asphalt from the road and stripped bark from trees, according to news reports.</p>