It will take a lot of iron chains and money to keep your heavy concrete dome from collapsing. Besides, there's an easier -- and less risky -- way to build a dome this tall today. Try again!

You might remember earlier this year when another gray, concrete-dome home in Melbourne ... Built in 2009, this house, like all the dome-homes, was designed to withstand Category 5 hurricanes ...

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 ...