The Basilica Cistern is an awe-inspiring experience for travelers visiting Istanbul. It's located in the oldest part of the city, and it's a fascinating relic to explore from the fearless byzantine times. Constructed during the 6th century, this intriguing underground structure was used as a water reserve for the city’s residents. With ceilings towering at 9 meters high, and rows of pillars creating an endless windy path, this hidden marvel is an amazing feat of architecture. As you traverse through its paths, you'll get to learn about its captivating design and rich history, and come across photos of past eras. So hop on the journey and explore some history that's older than civilization itself.