This is another image of the Great White Throne, more close up and from an aerial perspective to show the massive bulk of the tower and its base.
The description states:
GREAT WHITE THRONE
ZION NATIONAL PARK, UTAH
The Great White Throne, the most famous point in Zion national Park, is the largest monolith in the world. The sheer stone walls of this spectacular mountain rise 2447 feet above the floor of the canyon.
–This card likely dates from the 1950s.