Pegasus Plaza Perseus slew the serpent-haired monster Medusa and Pegasus sprang from her severed head. He stamped the earth with his hoof, creating the Fountain of the Muses. A limestone fountain and winding stream anchor the design of the plaza. The fountain is connected to a natural mineral spring below the Magnolia Building and is the source well for water in the plaza. A series of concentric circles embedded in the pavement radiates from the fountain into the surrounding streets. Scattered throughout the plaza are nine granite boulders taken from Marble Falls carved and dedicated to the nine Muses. A stone dedicated
Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in