St. John's Church is one of the oldest churches in Kolkata, built in 1787 during the British colonial period. It is known for its neoclassical architecture and historical significance in early British India. The church houses important monuments, including the tomb of Job Charnock. It also features the famous painting “The Last Supper” by Johann Zoffany. Today, it stands as a heritage landmark reflecting Kolkata’s colonial and cultural history.