Escher in the Palace one's eyes will be tricked by multiple interactive displays. In the rooms of the museum are fifteen chandeliers made by the Rotterdam artist, Hans van Bentem. The artist designed these especially for the museum, with some references to the work of Escher and the Palace. In the ballroom, a star chandelier is endlessly reflected in the two mirrors. In other rooms there are chandeliers such as a shark, a skull, spiders, and a sea horse. The parquet floor in the Palace was designed in 1991/92 by the American minimal artist Donald Judd on the occasion of the opening of the
Palace of Queluz blue and pink, by the Portuguese sculptor Silvestre Faria Lobo. The upper level has galleries for the use of royal personages who would sit apart from the congregation. One of these galleries contains a small Rococo pipe organ. A feature of the chapel is the ornate portable font, its marble basin resting in an elaborate Rococo frame surmounted by a carved wood cover. The private rooms of the palace are far smaller and more intimate than the formal state rooms and contain many which belonged to the rooms' former occupants. Amongst the more remarkable rooms in this suite are the