1. The Gol Gumbaz in Bijapur, Karnataka was built in the 17th century as the mausoleum of Mohammed Adil Shah, the 7th ruler of the Adil Shahi dynasty.
2. It has a massive single chamber dome and was one of the largest such structures ever built, measuring over 135 feet in diameter.
3. The Gol Gumbaz attracted hundreds of visitors daily due to its impressive architecture and history, though tourism has declined slightly in recent years.