Over time erosion wore away the sedimentary rock exposing the igneous rock formation. Devils Tower National Monument is ...

Rising out of the prairie that surrounds the nearby Black Hills, Devil’s Tower National Monument is an astounding geological feature to behold. The tower is known for its sheer size and as one of the ...

In the wilderness of Wyoming, there's a magnificent pillar of ancient lava so unique, that even geologists are at odds on exactly how it was formed. A Final Takeoff National Treasure: The History ...

The previous record-holder was an 83-year-old who had climbed the 867-foot rock formation in 2012 ... and a ranger at Devils Tower National Monument posted a Facebook photo of Kelman atop the tower in ...

Epic Guide to Devils Tower National Monument in Wyoming including things ... Native Americans had many names for the ...