Host David Macaulay reveals the amazing history of domes, from the ancient engineers of Constantinople who built the domed church Hagia Sophia to Buckminster Fuller's space-age geodesic dome. Through footage, photographs and re-creations, the program reveals the history, engineering techniques, unique stories and individuals behind world-famous domes such as Rome's St. Peter's Cathedral, Houston's Astrodome and Washington, D.C.'s Capitol Dome.