The Basilica Cistern: Istanbul's Mysterious Underground World

Built in 532 AD by the Byzantine Emperor Justinian I, the Basilica Cistern is one of Istanbul's most mesmerizing historical structures. It was originally used to supply water to the Hagia Sophia and has captivated visitors for centuries with its colossal scale and mystical atmosphere.

The impressive cistern contains a total of 336 columns, many of which feature capitals that bear traces of different historical periods. The water on the floor, reflecting the columns, creates the illusion of an endless, submerged forest. The most striking and well-known feature of this architectural marvel is the two columns supported by upside-down and sideways Medusa heads. Today, the space has also become a venue for stunning modern art exhibitions.

More than just a water storage facility, the Basilica Cistern feels like an underground palace. Its cool, damp air offers an experience completely isolated from the chaos of the outside world. The gentle sound of dripping water and the dim lighting transport visitors on a journey into the depths of history. In this mystical space where every column seems to whisper a different story, it's truly possible to feel the spirit of the past. 

As one of Istanbul's most important landmarks, the Basilica Cistern is an unforgettable stop with its historic character and unique atmosphere. You should definitely add this mysterious underground structure to your list.