What Is the Deepest Hole Ever Dug in the Earth?
Man’s deepest journey to the center of the earth was made by a petroleum company in Texas. The hole was dug in search of oil, but when none was found, the hole was plugged. However, drillers worked for two years, at a cost of 3 million dollars, to reach a depth of 25,340 feet, or 4.8 miles, with a hole only 3 inches wide. To bet