Gol Gumbaz is the biggest dome in India.

Gol Gumbaz, situated in Bijapur district of Karnataka, is the largest dome in India. Gol Gumbaz has a diameter of 124 feet and is the second largest dome in the world, next only to St. Peter's Basilica in Rome.

The dome was built by Muhammad Adil Shah in the year 1656. It has a floor area of 1700 m2 and a height of 51 m. The walls of the structure are 3 m. thick. The dome contains tombs of Muhammad Adil Shah, his two wives, his mistress, his daughter and grandson. Gol Gumbaz is an architectural wonder as it stands unsupported by pillars. The most remarkable feature of Gol Gumbaz is its acoustical system. Even the faintest whisper around the dome echoes several times.