The modern document hall was designed and built on the occasion of the Independence Declaration No. 9 in 1992 in the city of Kassel, and it is used throughout the year in trade fairs and events. From the outside, the exhibition looks like a body leaning on a slope that brings visitors. The exterior design is made of steel and glass as it was designed in the style Modern modern. The museum includes a main hall with 1,400 square meters of exhibition space and approximately 700 square meters of other additional space for offices, warehouses and a catering area.