the Imperial Palace: also known as the Forbidden City, the Imperial Palace is the largest palace complex in the world.

皇城：即紫禁城，紫禁城是世界最大的宫殿建筑群。

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Once I had stood before the Imperial Palace in the Forbidden City, hat in my hands, waiting for the realization to engulf me.

又一次我曾经站在故宫的大殿前面，手里拿着帽子，等待着现实来把我包围。

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The Forbidden City has a nearly 600-year history and served as the imperial palace of the Ming and Qing Dynasties.

故宫作为明、清两朝的皇宫，已经有近600年的历史。

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There is the Forbidden City, which is the ancient imperial palace where dozens of Chinese emperors ruled the country for 500 years.

CNN: April 10, 2012 -- Updated 1353 GMT (2153 HKT)

In November last year archaeologists located a grotto deep beneath Augustus's imperial palace that may have been the shrine where ancient Romans worshipped Romulus, the founder of the city according to legend.

BBC: NEWS | Europe | House of Augustus opens to public

There is also the Summer Palace, a massive imperial garden built in the 18th century that is on the outskirts of the city.

CNN: April 10, 2012 -- Updated 1353 GMT (2153 HKT)