Lalbagh fort-Secret tunnel-old Dhaka-Bangladesh. Lalbagh Fort is an incomplete 17th century Mughal fort complex that stands before the Buriganga River in the southwestern part of Dhaka, Bangladesh.
Shaista Khan was the new Subedar (Governor) of Dhaka in that time, and he did not complete the fort. In 1684, the daughter of Shaista Khan named Iran Dukht (Pari Bibi) died there. After her death, he started thinking the fort as ominous, and left the structure incomplete.