Clock Tower of Lucknow is situated Between the Bara Imambara and Chhota Imambara. This huge tower was constructed by Nasir-ud-Din Haider in the year 1880. The Clock Tower in Lucknow reaches upto a height of 221 feet and is the tallest Clock Tower in India and it also has the biggest fitted clock that cost the government around Rs. 1.75 lakhs at that time of construction.