Earth’s strangest circles look like scars, eyes, and portals when seen from space, but each one hides a very different story.

Add Yahoo as a preferred source to see more of our stories on Google. Something Truly Scary Discovered at The Bottom of Belize's Great Blue Hole An expedition to the bottom of the Great Blue Hole off ...

The Great Blue Hole looks like a perfect circle from above, but the bottom tells a darker story. A submarine crew reached ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists took a 98-foot ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...