Bara Imambara: Lucknow, Uttar Pradesh, India.

 Bara Imambara is an architectural marvel located in the city of Lucknow, Uttar Pradesh, India. It was built in 1784 by Asaf-ud-Daula, the Nawab of Awadh, as a part of a famine relief program to provide employment to the region's people. The building is known for its unique architecture, including a maze-like structure called Bhool Bhulaiya.

The Bara Imambara complex includes several other structures, including a mosque, a stepwell, and a baoli (water tank). The main hall of the Imambara called the Bara Hall, is a large, open space that can accommodate up to 20,000 people at a time. The hall has no support beams or pillars and is considered an engineering marvel of its time.

One of the most popular attractions of the Bara Imambara is the Bhool Bhulaiya, a labyrinth of narrow passages and staircases that can be confusing to navigate. The Bhool Bhulaiya is said to have been built to confuse enemies and was used as a strategic hideout during times of war.

Visitors to the Bara Imambara can explore the complex and take a guided tour of the Bhool Bhulaiya to learn about the history and architecture of this fascinating structure. The Bara Imambara is a must-visit destination for anyone interested in Indian history and architecture, and is a testament to the creativity and engineering skills of the people of the region.