Masjid-e-Tauba is modern marvel of architecture.  It is said have largest single dome in the world that actually drapes the entire prayer hall with a capacity to accommodate a group of 5000.  The Mosque has only one minarate that towers 70 meters into the sky.

Location
Tauba Mosque is situated in the Defence Housing Authority, in the largest city of Pakistan, Karachi, in the province of Sindh.