An Army of Robots
These robots work for George Washington University to deliver hot meals to students. These services are not only for the wealthy or disabled either—any student can order a robot-delivered meal.
The Biagong Pipes
These iron pipes exist on a remote mountain in the middle of China. Seemingly, this landscape was untouched by man, but these pipes exist. Nobody knows the origin of this strange formation, and few have been able to even do the minimal amount of research to figure out how long they have been there.