 The name predates a Sigma Pi Fraternity fundraiser called Quarter the Quarter-Mile, where donated quarters were lined up from the sundial to the Infinity Sculpture.Standing near the Administration Building and the Student Alumni Union is The Sentinel, a steel structure created by the acclaimed metal sculptor, Albert Paley.Reaching 70 feet (21 m) high and weighing 110 tons, the sculpture is the largest on any American university campus.