Merion challenges golfers at U.S. Open

Tiger Woods finished the U.S. Open at 13-over par. Rory McIlroy bends a club in frustration. Luke Donald hits a volunteer in the head with a ball and takes a dip in a creek. Merion stays true to its reputation of being one of the most challenging golf courses around.

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: A standard bearer is driven off the course after being hit by an errant shot by Luke Donald of England during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Drew Hallowell/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Rory McIlroy of Northern Ireland reacts to his putt on the fourth green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Rob Carr/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Rory McIlroy of Northern Ireland throws his club after chipping to the fourth green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Rob Carr/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Rory McIlroy of Northern Ireland throws his club after chipping to the fourth green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Rob Carr/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Rory McIlroy of Northern Ireland throws his club after chipping to the fourth green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Rob Carr/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Phil Mickelson of the United States reacts after chipping to the second green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Andrew Redington/Getty Images)

U.S. Open - Round Four

ARDMORE, PA - JUNE 16: Phil Mickelson of the United States reacts after chipping to the second green during the final round of the 113th U.S. Open at Merion Golf Club on June 16, 2013 in Ardmore, Pennsylvania. (Photo by Andrew Redington/Getty Images)