The Wawona Covered Bridge near Yosemite stands as California’s answer to those quaint New England postcards, proving that the Golden State can do rustic charm just as well as it does surfboards and ...

Deep in the mountains of Switzerland lies a marvel of engineering, the Gotthard Base Tunnel. This is the longest railway and at the same time the deepest transport tunnel. Just imagine – 35.5 miles of ...

Immersed tube tunneling looks less like digging a hole and more like docking a spacecraft. In this video, I explain how engineers design, float, sink, and connect massive tunnel segments to build some ...