Domes, usually linked to Islamic architecture, actually predate Islam. The first such structure was established in ...
Sumerians were notable for their art and architecture, language (the oldest recorded), developed sciences like medicine and mathematics, as well as their diet — especially what they drank.
Sumerians developed what is the oldest known example of written language, as well as art, and especially architecture that has survived into the 21st century (with the help of some excavation).