Discover Pitkin, Colorado a quiet high-country town where forest backroads, ghost towns, and forgotten rail tunnels reveal ...

The Cumbres & Toltec Scenic Railroad in Chama, New Mexico, is exactly that kind of revelation – a 64-mile journey through untouched wilderness that will make you forget your smartphone exists. Let me ...

The wartime tunnels are 2.75 miles (4.4km) long with 12 entrances. They were built to house 60,000 people a total of 21 metres (70ft) underground. Mr Pankhurst said: "They could sleep here or they ...

Before descending into the tunnels beneath the University of Montana campus, our guide, Tim Gauthier, stopped and said, ...

The Fehmarn Belt Fixed Link will soon connect Denmark and Germany through the world’s longest immersed tunnel — 18 kilometers beneath the Baltic Sea. Learn how this massive engineering feat is being ...

The U.S. Army Corps of Engineers has approved energy company Enbridge's plan to encase a segment of an aging oil pipeline ...

Denmark and Germany are building the $8.7 billion Fehmarn Belt Tunnel, the world’s longest underwater connection. Here’s how.