| Specialized Exposition hosted by the U.S. | |
| Theme | The World of Rivers - Fresh Water as a Source of Life |
| Participants | 26 countries |
| Attendance | 7,335,279 |
| Canada Pavilion | |
| Theme | Rivers: Waterways to Discovery |
| Visitors | Over 2,500,000 |
| Commissioner General | John M. Powles |