Step into Hagia Sophia, the world's largest place of worship commissioned by Emperor Justinian in 532 AD, showcasing the tallest dome within a Christian church. Originally constructed as a basilica nearly 1,500 years ago, this sacred structure is part of the Historic Areas of Istanbul, a property inscribed on UNESCO's World Heritage List. Journey through time as you explore its architectural evolution and uncover the mysteries of this revered monument for both the Byzantine and Ottoman Empires.