Historically, engineers supported domes with iron chains, but there's an easier way to build a dome this tall today. When the dome above St. Peter's Basilica in Rome began to crack under its own ...

Finally was able to get back to the How To Build a Garage project during the process of pouring the concrete floor. I didn't make it while it was being poured, but I think you are able to get the idea ...

One of the largest domes in the world, the Pantheon, is made of concrete. You saved a lot of money building this dome with concrete. But remember: concrete is very heavy. About halfway down the curve ...