What you don’t know: where the other end is, who’s in it, what they’ve left behind. Is it booby-trapped? Is it big enough for a person to walk through? Is the air quality lethal? Who’s on the other ...

In this video I explore the massive Titus Tunnel near the Mediterranean coast of Turkey. Walking through this enormous rock cut passage traditionally linked to Vespasian, Titus, and Antoninus Pius, I ...

John Leguizamo journeys into the tunnels beneath the great pyramids of Teotihuacán. Teotihuacán was the great capital of Mesoamerica, and one of the cradles of Western Civilization. Alongside ...

The ingredients that led to the recent tragedy in Texas — steep terrain, swollen rivers and unsuspecting people in harm’s way — are not unique to that area. Across the US, there are pockets of ...

The Detroit Windsor Tunnel is nearly 100 years old and was the first and only underwater tunnel for vehicles connecting two countries. But, there is much more to that tunnel than what people see when ...

Exploring Northern Idaho on two wheels led to the discovery of some incredible hidden tunnels. Adventures like this make every ride unforgettable and show just how much history and beauty the region ...

Deep within the tunnel complex under Hukok in Lower Galilee, a team of volunteers discovered a stash of 22 bronze coins deliberately hidden away there roughly 1,600 years ago. The system of narrow ...