Inside the Royal Palace

Clocks from the royal collection. 
The Empire Room.
The Salon de Goya. 

(Photographs from the Wikimedia Commons, courtesy of the Belgian Royal Household. Credits and licensing information here, here, and here)

The Royal Palace of Brussels

A photograph of the Royal Palace of Brussels by Matthias Zepper. Licensing information here.

Not to be confused with Laeken Castle (the residence of the Belgian royal family on the outskirts of Brussels), this is where the King performs his official functions. 

Laeken Castle

The royal palace of Laeken, Belgium. Credits and more information here.