This story originally appeared in the August 2014 issue of National Geographic magazine as "The Hidden World of the Great War ... of the trenches above. A journalist visiting one of the caverns ...

I quite like playing in the mud. But I’d probably feel different if I was a soldier in the trenches during World War One. WW1 SOLDIER JACK: Mud? Oh, we know all about mud here on the Western Front.

Justin Verlander signs with a new team for his 20th MLB season A Pilates teacher shares five beginner exercises to strengthen your deep core muscles Finland recovers anchor in Baltic Sea cables ...

All the Latest Game Footage and Images from Stickman Trenches Stickman Trenches is ... your defenses in the brutal trenches of Stick World War 1. Advertisement All the Latest Game Footage and ...

Martha Charlotte’s family used to have hundreds of pieces of trench art from around the world that were collected by her ...

What has been equally as influential is the invention of Burberry’s trench coat. British soldiers enlisted during World War I were actually ... on a five-foot-ten model, or slightly longer ...

I quite like playing in the mud. But I’d probably feel different if I was a soldier in the trenches during World War One. WW1 SOLDIER JACK: Mud? Oh, we know all about mud here on the Western Front.