萬國宮建於1929年,1938年設定為國際聯盟總部,1950年代起,成為聯合國歐洲總部。萬國宮位於由Revilliod de Rive家族遺贈給日內瓦市的Ariana公園中,當時的贈送條件是讓一些孔雀自由地在公園中活動,而它們今天成為了那裡的一道景觀。参觀萬國宮需要隨團並檢查護照或其他身份證件,除英語團和法語團外,其他語言需要提前預約,参觀時間為1小時。
The flag can be photographed at the main entrance, but the visitors'entrance to the Palace of Nations has to go around a large area of woods on the right to the opposite side of the Red Cross Museum. From security checks, passport checks, photo shoots, downstairs booking visit time payment, to the 39 Gate gathering, and then a unified visit for 1 hour, must be arranged for 2 hours. It is suggested to take a bus to Nation Station, take a picture of the main entrance and then go to the right rear entrance.