With a total area of 600,000 sq.m. The building remains the largest administrative building in the world, accommodating over 26,000 employees. Construction of the Pentagon began on September 11, 1941.

This puts it slightly ahead of monuments like the Great Pyramid of Giza in sheer size, and it’s the second largest administrative building in the world behind the U.S. Pentagon. But it's the ...

The second-largest administrative building in the world (after the Pentagon in Washington, D.C.), this mega-palace has stirred controversy since its construction. Dictator from 1974 to 1989 ...