Malbork Castle, located in northern Poland, covers around 52 acres - making it more than twice the size of Buckingham Palace. It is also the largest castle in the world by land area and one of the ...

Seeking to consolidate her grip on the Chinese throne, Empress Wu Zetian embarked on an audacious project: expanding the imperial palace on a scale never before seen in China, or the world.

Though it may not hold the same level of fame, the Royal Palace of Caserta is the largest royal residence in the world by volume. With 1,200 rooms and five floors, it also boasts a museum ...