4) State House of Namibia (Windhoek, Namibia)
Bordered by a two-kilometer long steel fence with dark-glassed towers and large guard rooms, and covers 25 hectares of land, the State House of the Republic of Namibia is a fortress. It is located in the Auasblick suburb of Windhoek. This majestic site is the administrative capital of Namibia, as well as the official residence of the President of Namibia. The State House was designed by the North Korean company,Mansudae Overseas Projects, and built in 66 months. It is reported that the administrative building cost a staggering N$400 million Namibian dollars.