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!

The one-piece rounded, steel-reinforced block of concrete that forms the hull of their home is called a monolithic dome. When the Hermeses built one in 1980 on a hillside on their rural Salina ...

Carving holes is a great way to lighten a dome -- but the governor won't be happy with your design. Around 500 A.D., ancient engineers realized that a dome could be made of a circular ring of ...

which to this day forms the largest unreinforced concrete dome in existence at 43.3 meters diameter, and is in excellent condition despite being being nearly 1,900 years old. Even as the Roman ...