The King Fahd Mosque in Culver City , California and the Islamic Cultural Center of Italy in Rome are two of Saudi Arabia 's largest investments in foreign mosques as former Saudi king Fahd bin Abdul Aziz al-Saud gave US$ 8 million and US$ 50 million to the two mosques , respectively . The King Fahd Mosque in Culver City , California and the Islamic Cultural Center of Italy in Rome represent two of Saudi Arabia 's largest investments in foreign mosques as former Saudi king Fahd bin Abdul Aziz al-Saud contributed US$ 8 million and US$ 50 million to the two mosques , respectively .