Add Yahoo as a preferred source to see more of our stories on Google. Wyoming's Devils Tower was the first declared United States National Monument, established in 1906; (photo/via Wikipedia) A man ...

A recent study showed the structure, featured in the movie “Close Encounters of the Third Kind,” is gently moving in strong winds, or when volcanoes and earthquakes vibrate the Earth.

DEVILS TOWER, Wyo. (Gray News) - A rock climber died from injuries sustained during a fall at Devils Tower National Monument in Wyoming. The climber, identified as 21-year-old Stewart Phillip Porter ...