Here is a rugged robot that combines with your DSLR to let you capture stunning video over a wide variety of terrains. The Trackbot has a max payload of 5kg and max speed of 2.6 m/s. It also handles slopes up to 20 degrees with its payload.
The robot weighs under 10 lbs, so you can pick up and move it around easily. The robot features zero radius turning. It runs up to 2 hours on battery. This video shows it in action.