Old Sultan Palace, Gaoui, near N'Djamena, Chad, Africa

Ruins at the Beit-el-sahel Museum, Stone Town, Island of Zanzibar, Tanzania, East Africa, Africa

Kasbah Museum of Mediterranean Cultures in the Sultan's Palace (Governor's Palace), old Medina, Tangier, Morocco, North Africa, Africa

Old Muscat and Sultan Qaboos Palace, Muscat, Oman, Middle East

Old Sultan Palace, Gaoui, near N'Djamena, Chad, Africa

Painted walls in the old Sultan Palace, Gaoui, near N'Djamena, Chad, Africa

Polished pavements, National Flags, lush lawns and flowers in bloom, Sultan's Palace, Old Muscat, Oman, Middle East

Sultan's Palace, with mushroom pillars of blue and gold, viewed beyond lush greenery, Old Muscat, Oman, Middle East

Sultan Qaboos Palace, Old Muscat, Muscat, Oman, Middle East

Sultan Qaboos Palace, Muscat, Oman, Middle East

Sultan Qaboos Palace, Muscat, Oman, Middle East

Sultan Qaboos Palace, Old Muscat, Muscat, Oman, Middle East

Al Alam palace in the old town of Muscat. The palace is one of the royal residences of Sultan Qaboos of Oman.

Detail of the door, column and frescoes of the inner courtyard in the ancient palace Topkapi in Istanbul, Turkey, Brasil, Asia