IMI, National Geographic and the Great Cathedral Mystery

Words: Bronzella Cleveland

The International Masonry Institute (IMI) National Training Director Robert Arnold, along with other IMI staff, were sponsored by National Geographic to help construct a scaled down version of Brunelleschi's Dome in Florence, Italy for a program on the engineering of the world's largest brick dome. "NOVA's Great Cathedral Mystery," produced by National Geographic Television in association with Camera One Productions, premieres on PBS Feb. 12, 2014. See a preview of the program below.

Brickworks Supply Joins the 2026 Masonry Alliance Program as a Gold Partner
December 2025

The Mason Contractors Association of America (MCAA) is proud to share that Brickworks Supply will join the 2026 Masonry Alliance Program as a Gold Partner.

Industry News
Read More
What’s in your Dumpster?
December 2025

If you want a true read on how a job is running, take a walk to the dumpsters. Most sites have two. One for cement and steel. One for everything that did not make the cut. Those bins are open ledgers. They record the habits, shortcuts, and fixes that shap

Shayne Sanders
MAP Partner
Read More
The Florida Department of Corrections Masonry Competition
December 2025

The intersection of Career & Technical Education (CTE) training and rehabilitation was on full display recently as the Florida Department of Corrections (FDC) hosted a statewide masonry competition. Held at the Cross City Correctional Institution, the eve

Justin Stengel
News and Events
Read More
Southwest Scaffolding Renews Silver Partnership in the 2026 Masonry Alliance Program
December 2025

The Mason Contractors Association of America (MCAA) is pleased to announce that Southwest Scaffolding will renew its Silver partnership in the 2026 Masonry Alliance Program.

Industry News
Read More
Interested in working with us? Learn about and join the Masonry Alliance Program →