NOVAGreat Cathedral MysteryPassport Season 41 Episode 5 | 52m 37s The dome that crowns Florence’s great cathedral of Santa Maria del Fiore—the Duomo—is a towering masterpiece of Renaissance ingenuity and an enduring source of mystery. Still the largest masonry dome on earth after more than six centuries, it is taller than the Statue of Liberty and weighs as much as an average cruise ship. Aired: 02/12/14 Expires: 02/11/21 Rating: TV-G Closed CaptioningVideo has closed captioning.Buy Now:PBSBuy DVDs AppleBuy on iTunes checkmarkAdd to WatchlistWatch PreviewProblems Playing Video?Report a ProblemClosed CaptioningShare:Share this video on FacebookFacebookShare this video on TwitterTwitterShare this video on Google PlusGoogleShare this video via EmailE-mailEmbedEmbed Code for this videoEmbed CodeNOVAGreat Cathedral MysterySeason 41 Episode 5Width in pixels px Height in pixels px Copied to your clipboardLabelCopy to ClipboardClick to copy embed code for videoCloseCloseReport a ProblemBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.CloseCloseClose Learn More Down Building the Great Cathedrals Physics of Stone Arches Secrets of the Parthenon Mystery of Easter Island Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Additional funding is provided by Roger and Vicki Sant.