Bucharest's Palace of the Parliament is the World's Heaviest Building (2024)

Neither the tallest skyscraper in the Middle East or China, nor even the largest temple in the world, the heaviest building constructed by mankind is the Palace of the Parliament in Bucharest, weighing in at just over 4 million tons (in size, it’s the third-largest administrative building in the world after the American Pentagon and the Long’ao of Jinan in China).

Its volume, 2,550,000 cubic meters, exceeds that of the Great Pyramid of Giza by 2 percent and is the third largest in the world, after the Vehicle Assembly Building at Kennedy Space Center and the Quetzalcoatl Pyramid in Mexico.

The construction was ordered by the ill-fated Romanian president Nicolae Ceaușescu, who ruled the Socialist Republic of Romania from 1967 until his execution in 1989.

Bucharest's Palace of the Parliament is the World's Heaviest Building (1)

The design was undertaken by Anca Petrescu, who won the competition at just 28 years old, and she oversaw its construction with the help of a team of 700 other architects.

Construction stretched over 13 years between 1984 and 1997, resulting in a colossal building that blends neoclassicism with modernism and other styles, with sobriety and socialist realism predominating.

To build it on Spirii Hill in the center of the Romanian capital, it was necessary to demolish several neighborhoods in that part of the city, including twelve churches, two synagogues, three monasteries, the National Archives, a hospital, and more than 7,000 homes.

Bucharest's Palace of the Parliament is the World's Heaviest Building (2)

It is estimated that up to 100,000 people could have worked on the palace construction, mostly soldiers from the Romanian army and forced laborers. Some sources mention around 3,000 deaths during the 13-year construction period.

It occupies a total area of 365,000 square meters and houses both the Romanian Senate and the Chamber of Deputies, three museums, and a conference center. Nevertheless, 70 percent of the building remains empty and unused. In fact, of the 1,100 rooms planned, only 400 were actually built.

It has 12 above-ground floors and 8 underground levels down to 92 meters deep, the lowest of which is an atomic bunker (according to some sources, there are 2 bunkers) connected to other institutional buildings by a network of 20 kilometers of tunnels. Due to its weight, the building sinks about 6 millimeters per year.

Bucharest's Palace of the Parliament is the World's Heaviest Building (3)

Among the materials used in its construction are: 3,500 tons of glass, 700,000 tons of steel and bronze, 1 million cubic meters of marble, 900,000 cubic meters of wood, and 200,000 square meters of carpets and rugs.

After the fall of communism, its demolition, conversion into a casino, or burial were considered, although ultimately none of these proposals succeeded, and it became the home of the Romanian Parliament.

Bucharest's Palace of the Parliament is the World's Heaviest Building (4)

Visits are allowed in restricted areas, which has given rise to legends and stories about those parts where access is not permitted.

One of these legends says that a subway line connects the building to the city’s airport, another that there are two underground canals that would serve as escape routes in case of revolution.

Curiously, the Romanian state never reached an agreement with architect Anca Petrescu regarding the intellectual property rights of the building, so any commercial use of its image is subject to royalties, claimed by her heirs.

This article was first published on our Spanish Edition on August 1, 2019. Puedes leer la versión en español en El palacio del Parlamento de Bucarest es el edificio más pesado del mundo

Sources

Guinness World Records / Google Arts & Culture / Uncover Romania / Wikipedia

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Bucharest's Palace of the Parliament is the World's Heaviest Building (2024)

FAQs

Bucharest's Palace of the Parliament is the World's Heaviest Building? ›

The Palace of the Parliament is one of the heaviest buildings in the world, weighing about 4,098,500 tonnes (9.04 billion pounds), also being the second largest administrative building in the world.

Is the Palace of Parliament the heaviest building in the world? ›

Neither the tallest skyscraper in the Middle East or China, nor even the largest temple in the world, the heaviest building constructed by mankind is the Palace of the Parliament in Bucharest, weighing in at just over 4 million tons (in size, it's the third-largest administrative building in the world after the ...

What is the heaviest structure in the world? ›

The mysteries of the world's heaviest building. At over four million tonnes, the weight of the Palace of Parliament in Bucharest is truly staggering.

Which is the largest parliament building in the world? ›

Located on Dealul Arsenalului in central Bucharest, Romania is the Palace of the Parliament that houses the Parliament of Romania. It is 84m high and covers an area of 365,000 m2 and a volume of 2,550,000 m3 and is said to be the world's largest administrative building.

What is the largest building in Bucharest? ›

The Palace of Parliament is the world's second-largest administrative building (after the Pentagon) and former dictator Nicolae Ceauşescu's most infamous creation. Started in 1984 (and still unfinished), the 330,000-sq-metre building has more than 3000 rooms.

Is the Palace of Parliament bigger than the Pentagon? ›

The palace's floor area of 365,000 m2 (3,930,000 sq ft) makes it the world's third-largest administrative building after the Pentagon outside of Washington, D.C. in the United States and the Sappaya-Sapasathan in Thailand.

What is the biggest building in the world? ›

It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at 828 m (2,717 ft).

What is the most expensive building in the world? ›

The most expensive building on the planet is the Great Mosque of Mecca, also known as Masjid al-Haram. Its construction began in the 7th century AD and has undergone numerous extensions over the centuries. It is estimated that it cost around $100 billion to build this 400,000 square metre megastructure in Saudi Arabia.

Which is the world largest parliamentary? ›

China has the largest parliament with 3,000 members in the Chinese National People's Congress. The world's smallest parliament is in Micronesia, with just 14 MPs.

Why is Bucharest so famous? ›

Bucharest is famous for having one of the fastest internet connections in Europe. The same with a huge development in the IT field. Lots of foreign companies like IBM have their offices in Bucharest as Romanians are really good in programming. Romanian is second, after english, the most spoken language in Microsoft.

Why is Bucharest called the Little Paris? ›

During the interwar period, many of the large landmarks, buildings and the structure of the main boulevards of Bucharest were defined. Their architecture was inspired by an even created in the French style. This was the time when Bucharest received its nickname “l*ttle Paris” or in some cases “the Paris of the East.”

Is Bucharest the biggest city in Europe? ›

Bucharest is the sixth-largest city in the European Union by population within city limits, after London, Berlin, Madrid, Rome, and Paris. Economically, Bucharest is the most prosperous city in Romania.

Why is the Palace of Parliament famous? ›

The Palace of the Parliament, also known as the People's House (Casa Poporului), is a massive government building in Bucharest, Romania. It is the heaviest building in the world and one of the largest administrative buildings globally.

How big is the parliament building? ›

Built in a modern Gothic revival style, the rectangular Centre Block is some 144 metres long by 75 metres deep, and six stories high.

What is the largest administrative building in the world? ›

Built by Communist Party leader, Nicolae Ceausescu, the colossal Parliament Palace (formerly known as the People's Palace) is the second largest administrative building in the world after the Pentagon.

What is the second largest building in the world Romania? ›

RF E4DK4J–The Palace of the Parliament, the second largest building in the world, built by dictator Ceausescu in Bucharest, Romania. RF D0BCTD–The Palace of the Parliament in Bucharest, Romania is the second largest building in the world, built by dictator Ceausescu.

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