South America's Amazon River is undoubtedly the biggest river, owing to the amount of fresh water it carries to the oceans. 1/5 of the worlds' river flow can be attributed to the Amazon. The Amazon is so large that it has its own currents and tides, including a unique giant wave. The Amazon's giant wave, known as a "pororoca", is a unique phenomenon that attracts surfers throughout the world.

Originally released by Switch International, 2008. Streaming video file encoded with permission for digital streaming by Infobase on May 06, 2015.

Amazon River: Landmarks (5:00); .