The Palace of the Parliament, Bucharest, Romania

The Palace of the Parliament (Romanian: Palatul Parlamentului), also known as the House of the Republic (Casa Republicii) or People's House/People's Palace (Casa Poporului), is the seat of the Parliament of Romania, located atop Dealul Spirii in Bucharest, the national capital. The Palace reaches a height of 84 m (276 ft), [1] has a floor area of 365,000 m2 (3,930,000 sq ft) [2] and a volume of 2,550,000 m3 (90,000,000 cu ft). The Palace of the Parliament is the heaviest building in the world, weighing about 4,098,500 tonnes (9.04 billion pounds), and is the third largest administrative building in the world. (it was one of the most astonishing building I ever visit