The Bara Imambara has a unique style of construction. The central hall of Bara Imambara is said to be the largest arched hall in the world. The hall measures 50 meters long and goes upto a height of 15 meters. What makes the construction unique is the fact that the blocks have been put together with interlocking system of bricks and there has been absolutely no use of girders and beams. The roof stands steady till date without any pillars to support it.
The Bara Imambara is known for its incredible maze called Bhulbhulaiya. This is located in the upper floor of the monument. A stairway leads to this level. One can view a scenic panorama of the city from the top of this monument, which is absolutely breath-taking. The Bhulbhulaiya is a must see and the best way to find your way out without getting lost is by hiring a guide. It is said that great treasures are hidden in the secret tunnels of this maze