The widest river in the world, the Rio de la Plata grows from 30 miles wide where the rivers meet to 137 miles wide to the southeast where it opens on the Atlantic Ocean.
Added: Oct 26, 2009
Views: 3802 Views
Runtime: 01:05

| CREDITS | DCL | |
| DISCOVERY SITES | Discovery Channel | TLC | Animal Planet | Curiosity | Science Channel | Planet Green | Discovery Kids | Military Channel | Discovery News | Investigation Discovery | Discovery Home | HD Theater | Turbo | Discovery Fit & Health | HowStuffWorks | TreeHugger | Petfinder | PetVideo | Discovery Education | Shop |
| CUSTOMER SERVICE | Viewer Relations | Free Newsletters | RSS | TV FAQs |
| CORPORATE | Discovery Communications, Inc. | Advertising | Careers @ Discovery | Privacy Policy | Visitor Agreement |