At about 3 p.m. on Sunday, two people -- one riding a yellow ATV and the other riding a lime green one -- drove onto the fifth hole of Winged Foot's East Course and began speeding around, according to police.
The vandals went from the fifth all the way up to the green on the sixth hole and caused "considerable damage", according to The Journal News, which first reported the incident. The two holes will be closed for the rest of the season to repair the damage, and local police are hunting for the two individuals involved.
In case you're unfamiliar with Winged Foot, the East Course isn't where the six majors have been played, but it is still a really nice course, ranked 76th in Golf Digest's most recent ranking of America's 100 Greatest Courses (the more famous West Course is ranked eighth).
Here's a picture of the fifth hole (pre-vandalization), courtesy of GolfTripper.com.