The Koyukon call it Denali, meaning “the great one,” and it is great. It stands at more than twenty thousand feet above sea level, a towering mass over the Alaskan wilderness. Measured from its base to its peak, it is the tallest mountain on land in the world, a full two thousand feet taller than Mount Everest. It is Mount McKinley, and it is an awesome spectacle. And it is the inspiration behind John Mackey’s The Frozen Cathedral.

The piece was born of the collaboration between Mackey and Jo...