notre dame in paris - the arches are based on intersecting circles
tough question. Some examples may include: medieval- tower of London, church of bartholomew the great. Gregorian- georgian townhouses through-out the city, banqueting house, Sloane museum, national...
There are Pyramids, there are 223 of them which is twice as much as Egypt. The under ground graves are apparently richly decorated.
decamite
The White House.