Here is a giant machine that stands 15 feet tall and can be controlled by a human inside its body. Furrion’s Prosthesis weighs over 8000 pounds. It is capable of carrying people at up to 20 mph and moving for up to an hour on battery. The idea is to use these for giant machine racing.
Prosthesis is technically not a robot as it is completely controlled by a human operator. It still looks quite impressive though. You will be able to catch more info about it at CES.