The mighty Amazon River is the king of rivers. At 6.4k km (4k mi.) in length, it's either #1 or #2 in length depending on definition. Measured by discharge, it's not even close: the Amazon pumps an average of over 200k cubic meters (over 7 million cubic feet) of water into the Atlantic Ocean every second, roughly 5x its closest competitor. Award winning contributor and drone pilot Fabio Knoll is a native of Brazil; his aerial video showcasing this spectacular natural resource is magnificent.