Masjid al-Nabawi; Medina, Saudi Arabia - second-holiest site in Islam
Al-Aqsa Mosque; Jerusalem, Israel - third-holiest site in Islam
Umayyad Mosque; Damascus, Syria
Imam Ali Mosque; Najaf, Iraq - holy site in Shi'a Islam
Faisal Mosque; Islamabad, Pakistan - largest mosque in the world
Badshahi Masjid; Lahore, Pakistan - largest Mughul empire mosque
Mezquita; Córdoba, Spain
Hagia Sophia; Istanbul, Turkey
Sultan Ahmed Mosque (Blue Mosque); Istanbul, Turkey - built across from the Hagia Sophia