Basilica Cistern Skip-the-Ticket-Line Entry with Audio Guide

Visit the Basilica Cistern, built in the 4th century and enlarged in 532 AD, used as water storage during Byzantine times. Listen to your guide as they explain the mystery of Medusa heads from Greek mythology. Explore this cathedral-size cistern, built during the reign of Emperor Justinian I in 532 A.D. to supply water to the Great Palace. It stores up to 80,000 cubic meters of water, delivered via 20 kilometers of aqueducts from a reservoir near the Black Sea. Descend the fifty-two stone steps into the entrance of the cistern. Your QR Ticket and Audio Guide will be sent via e-mail prior to tour date by the activity provider. You will receive your both Entry Ticket QR Codes & Audio Guide link via separate e-mail from supplier Istanbul Tourist Pass. It is not possible to skip the security lines. There could be a line at the entrance and is mandatory for all visitors. Please note: The operating hours of the Basilica Cistern are from 12:00 PM to 6:00 PM on January 1st.