The 40-feet-tall humanoid robot mounted on a truck has enormous arms, and coke-bottle eyes. The giant machine is operated by a person who sits in a cockpit on the truck.

But the 40-foot tall, 1,100-foot-long wall doesn’t just allow for the interstate alignment to be modified, it also holds back a historical landslide path and solves a problem geotechnical engineers ...

David Sharp’s ice wall, which stands approximately 40 feet tall, towers just behind his home overlooking the Tanana River. Courtesy of David Sharp; Photo by Grant Wilson.

Valleys’ mural skies over downtown ...

A couple built a 40-foot-tall Airbnb inspired by the US Forest Service's fire-lookout towers. Located in remote Oregon, the 388-square-foot rental sleeps four and has a full kitchen. The property ...