In the 1970s, the Soviet Union decided to dig a hole for science. Not just any hole, the Kola Superdeep Borehole reached a depth of over 12 kilometers, the deepest at the time and the second deepest ...

Atlas Obscura on Slate is a blog about the world's hidden wonders. Like us on Facebook, Tumblr, or follow us on Twitter @atlasobscura. How will you be celebrating on May 24, the 44th anniversary of ...

The Kola Superdeep Borehole, dug during the Cold War, remains the deepest hole ever made by humanity. In this video, we explore the science, history, and fascinating discoveries behind this incredible ...

It is the deepest man-made hole on the planet - but after boring deep down into the earth, Russia was eventually forced to seal it up. The digging originally came about due to Cold War rivalry. As ...

Welcome to Daily TWiP, your daily dose of all the holidays and history we couldn’t cram into The Week in Preview. Most of us, at one point in our childhoods, have attempted to dig a hole to the center ...

Earth’s deepest artificial hole stretches 40,000 feet below the surface — and it’s only covered by a rusty metal lid. Russia’s Kola Superdeep Borehole was created by the Soviets in the name of science ...