Penrose Square, an urban town square along bustling Columbia Pike, is the first of three new civic squares in Arlington, VA, and is part of a larger revitalization effort for the corridor. Artist Richard Deutsch and landscape architect Don Hoover of Oculus formed a design team and developed a master plan to create an artful, site specific and integrated urban square to serve and enhance the residential life and business community of the Penrose and Columbia Pike neighborhoods. The design for Penrose Square, nearly an acre, includes an interactive water feature, shade and lawn area, paved areas for activity and performances and many places to gather and play. Integrated within this vibrant, versatile square is Echo, a dramatic and interactive sculpture by Richard Deutsch. Echo is inspired by the Three Sisters Radio Towers, which were built by the Navy as cutting edge technology and broadcast the first trans-Atlantic radio signal in 1915, connecting Arlington with the Eiffel Tower. Rooted in history, Echo is a luminary and a theatrical place maker contributing to Arlington’s developing cultural urbanscape. It stands as a meaningful symbol honoring Arlington’s industrious and innovative leadership in the history of radio communication, while inspiring its rich and promising future. Carved deep within the face of each granite monolith is a concave elliptical parabola. This carved, polished shape is based on the physics of sound waves and is designed to reflect and project sound, providing an interactive experience for the viewer. When one speaks into the first stone, listeners at the other can hear and have a conversation.