DENVER (KDVR) — Conspiracies around Denver International Airport’s underground tunnel system have been popular for decades, but these newly built tunnels aren’t much of a secret. The airport announced ...

Denver International Airport (DEN) is a fundamentally spooky place. There's something about the massive facility located weirdly far outside of Denver that always seems to raise an eyebrow. Even ...

Conspiracy theorists say something sinister is hiding in the subterranean tunnels of Denver International Airport, and that the intricate transit network is all a veneer for the secret hiding place of ...

On a recent Friday, a squad of thirty-somethings hauled hundreds of pounds of gear over a creek, down a field of boulders and into the dark mouth of a stormwater drainage tunnel. It was beautiful down ...

There are so many rumors swirling around about what's under Colorado. Many residents have heard about a secret military city under Denver International Airport, even a government project on aliens ...

The next time Denver International Airport’s increasingly crowded underground train breaks down, imagine that stranded passengers have an easy backup option: At last, an underground corridor with ...

Elon Musk’s tunneling company apparently didn’t dig a proposed project at Denver’s Ball Arena — at least not enough to pick it as a winner in a nationwide contest. The Boring Co. overnight revealed ...