The San Rafael waterfall in Ecuador ... sinkhole that opened beneath the river that once fed the falls. Located in Cayambe Coca Park, part of the Ecuadorian Amazon near the border with Colombia ...

Most of us have heard of the Amazon Rainforest ... Scientists think the river originates in the Andes Mountains of Peru. It travels from west to east through Ecuador, Colombia, Venezuela, Bolivia ...

The Amazon river is one of ... is the world's highest waterfall. The Andes mountains are in seven different countries in South America: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and ...