Is The Pentagon The Biggest Building In The World?

No, the Pentagon is not the biggest building in the world. The title of largest building in the world is currently held by The Venetian Macao, a hotel and casino resort in Macau, China. The Venetian Macao has a total floor area of over 10 million square feet (929,000 square meters), while the Pentagon only has a total floor area of about 6.5 million square feet (600,000 square meters).

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