In the centre of the Parthenon Gallery on the 3rd floor, the visitor can observe a video presentation about the Parthenon and the sculptural decoration of the monument. In the same area are presented ancient marble inscriptions recording detailed cost records of the construction of the Parthenon and the statue of Athena Parthenos. As a result, visitors are informed on how democratic bodies functioned in the 5th century BC.

The installation of the frieze of the Parthenon on the rectangular cement core that has exactly the same dimensions as the cella of the Parthenon enables a comprehensive viewing of the details of the frieze, as one takes the perimetric walk of the Gallery. The narrative of the story of the Panathenaic Procession is pieced together with a combination of the original blocks of the frieze and cast copies of the pieces in museums abroad, such as the British Museum and the Louvre.