Galileo dropped cannonballs from the leaning tower of Pisa to demonstrate something about falling bodies. Gauss was a giant of mathematics and physics who made unparalleled contributions to both fields. More contemporary (and not a person), the Green Monster is the left-field wall at the home of the Boston Red Sox, Fenway Park. Measuring 37 feet and 2 inches and standing a little more than 300 feet from home plate, it has gobbled up many a line drive that, in another ballpark, might have been a home run. What do these three icons have to do with one another? The authors of this article describe how they develop projectile motion from scratch and hope that this development provides new insights and deeper understanding for teachers as well as opportunities for enrichment activities for students.