The Palace of Parlament
The Parliament Palace in Bucharest (known before the Revolution as the House of the Republic or the House of the People) measures 270 m at 240 m, 86 m high, and 92 m underground. It has 9 levels on the surface and another 9 underground. According to the World Records Academy, the Parliament Palace is the world’s largest administrative building for civil use, the most expensive administrative building in the world and the world’s toughest building.