Istanbul's Historic Architectural Landmarks
Visit the Blue Mosque and the Roman Hippodrome, including the Constantine Column, the Serpentine Column, and the Obelisk, which was shipped from Egypt to the Byzantine Emperor Theodosius in the 4th century AD.
Explore Hagia Sophia, a late antique place of worship in the city.
Go to Topkapı Palace, a large museum east of Istanbul's Fatih district.
See the Basilica Cistern, the largest of several hundred ancient cisterns that lie underground in Istanbul.
Stroll through the Grand Bazaar, one of the largest and oldest covered markets in the world, with 61 covered streets and over 4,000 shops.