The Pyatnitskie Gates are the only surviving gate of the original Kolomna Kremlin fortifications and one of the most significant historical landmarks in the city. Built in 1525 as the strongest defensive point in the Kremlin's fortification system, the gate tower stands 29 meters tall with massive thick walls designed to withstand the fiercest attacks. The gates were named after the Church of Saint Paraskeva Pyatnitsa that once stood nearby, a saint particularly revered in medieval Russian Orthodox tradition. Throughout history, these gates served as the main ceremonial entrance to the Kremlin, through which princes and high-ranking officials would pass during official occasions and religious processions. The gates played a crucial role in defending the city during the numerous sieges and invasions that Kolomna endured over the centuries, including Tatar raids and the Time of Troubles. Today the Pyatnitskie Gates stand as a living testament to the brilliance of 16th-century military engineers and attract history and architecture enthusiasts from around the world. Visiting is free around the clock.