The dome of the Mihrimah Mosque in Turkey is almost entirely pierced with windows. This design would make the Capitol building very bright and airy, but the governor is not interested in a dome ...

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!

Molded spherical concrete shells are a time-tested technology, widely used for commercial and domestic purposes. Seamless concrete is waterproof, fireproof, draft-proof, termite-proof, vermin-proof, ...