No, this isn't an illusion or fantasy location from a story, but rather a real boiling river discovered by geoscientist Andres Ruzo. This mysterious, four-mile long river, located deep in the heart of the Amazon, is so hot that it can brew tea. At its widest, it's 82-feet, and around 20-feet deep, with some parts even boiling over. "Dipping my hand into the river would give me third-degree burns in less than half a second. Falling in could easily kill me. The river boils because of fault-fed hot springs. As we have hot blood running through our veins and arteries, so, too, the Earth has hot water running through its cracks and faults," said Ruzo. Click here to view the first image in today's viral picture gallery. Continue reading for the five most popular viral videos today, including one about the atmospheric river that's about to hit the West Coast.