The building is a compact block measuring 40 x 46 x 24 meters. All surfaces are clad with white Vraza coquina limestone. The massive stone shell has a finely worked surface in which large individual window openings are made. A wide external stairs leads to the entrance level 4 meters above the courtyard. Inside the building, a glass-roofed atrium forms a center for the museum with rooms arranged around it on 3 levels. Beneath the atrium a two-story hall provides two levels for visiting exhibitions.