The Milion was a monument erected in the early 4th century AD in Constantinople.
The Obelisk of Theodosius is an ancient Egyptian obelisk located in the Hippodrome of Constantinople, now Sultanahmet Square in Istanbul, Turkey.
The Walled Obelisk is a stone monument located at the Hippodrome of Constantinople.
The Tomb of Sultan Mahmud II is an ornate and significant mausoleum located in Istanbul, Turkey.
The Column of Constantine is a Roman monumental column constructed on the orders of the Roman emperor Constantine the Great in 330 AD.
The Column of the Goths is a Roman victory column in modern-day Istanbul, Turkey.
The Aviation Martyrs' Monument is an iconic architectural structure located in Istanbul.