Gettysburg's Devil's Den reopens to visitors
Devil's Den, Gettysburg Self-Guided Walking Tour
Explore Devil's Den at Gettysburg with the American Battlefield Trust
Devil's Den (U.S. National Park Service)
Preservation of the Second Day's Battlefield
Unexploded Civil War era device found in Gettysburg National
The Gettysburg Experience from a Teenager's Perspective – Earth
Devil's Den & Little Round Top closed for renovations
Devil's Den - Wikipedia