It's called the "Mission Impossi-Hole." The futuristic miniature golf hole is part of Portland's Smash Putt course, an alternative golf experience being hosted in the city through the end of March.
The hole is obviously a take off Mission Impossible. It looks to be set in some kind of cage with lasers zigzagging all around it. What happens if you cross one of those lasers? An alarm sounds and a "one-stroke penalty" sign starts flashing.