The Palace of the Parliament in Bucharest, Romania is a multi-purpose building containing both chambers of the Romanian Parliament. According to the Guinness Book of World Records, the Palace is the world’s largest civilian administrative building, most expensive administrative building, and heaviest building.
The structure combines elements and motifs from multiple sources, in an eclectic neoclassical architectural style. The building is constructed almost entirely of materials of Romanian origin. Estimates of the materials used include one million cubic meters of marble from Transylvania, most from Ruşchiţa; 3,500 tonnes of crystal — 480 chandeliers, 1,409 ceiling lights and mirrors were manufactured; 700,000 tonnes of steel and bronze for monumental doors and windows, chandeliers and capitals; 900,000 m³ of wood (over 95% domestic) for parquet and wainscotting, including walnut, oak, sweet cherry, elm, sycamore maple; 200,000 m² of woollen carpets of various dimensions (machines had to be moved inside the building to weave some of the larger carpets); velvet and brocade curtains adorned with embroideries and passementeries in silver and gold.
The Palace was designed and nearly completed by the Ceauşescu regime as the seat of political and administrative power. Nicolae Ceauşescu named it the House of the Republic, but many Romanians call it the People’s House.
Source: Wikipedia