Getty Amateur Trevor Gutschewski of the United States plays a shot from the bunker on the fourth hole during the first round of the 125th U.S. OPEN at Oakmont Country Club on June 12. Oakmont Country Club, located just outside Pittsburgh, Pennsylvania, was established in 1903 by Henry Fownes and later refined by Gil Hanse in 2023-24. It’s recognized as one of the hardest, oldest, and most iconic U.S. Open venues , hosting the championship a record ten times.  Church Pew Bunkers By far the most