It is called the Domed Rotunda
Rotundarotunda
Astrodome in Houston Texas
its domed roof was partially modeled on classical roman building
cupola
Taj Mahal
Domed building rotunda
A building with a round roof, like the Capitol building in Washington DC or Saint Paul's cathedral in London.
Rotunda
temple?
because they have domed or cone shaped houses
its domed roof was partially modeled on classical roman building