Add Yahoo as a preferred source to see more of our stories on Google. We know the Earth is not hollow. While we enjoy the occasional escapism from Jules Verne and Warner Bros., there is nothing ...

Set in central Turkey’s otherworldly Cappadocia region, this year’s iteration of the Echoes From Agartha festival continued to tell its elusive story. The festival is based on the mythical underground ...

Myths call it Agartha — a hidden kingdom beneath the Earth where ancient beings and lost technology still thrive. Some believe it’s more than a myth.