Awesome or Off-Putting is a weekly delve into cryptozoology, ufology, aliens, medical marvels, scientific wonders, secret societies, government conspiracies, cults, ghosts, EVPs, myths, ancient artifacts, religion, strange facts, odd sightings or just the plain unexplainable.

On April 5th, 1909 The Phoenix Gazette ran a front page story that was pretty different from the one it printed the day before. It was also very different from any printed ever since it. It's about an explorer named G.E. Kinkaid, who happened upon an enormous cavern while boating solo down the Colorado River. In it lay the remains of an underground civilisation long since dead.

The article goes on to state that the Smithsonian – the museum-iest museum in all the world – was funding further exploration of it. And what did it find? Well, let us tell you…