Prince Gong's Mansion is now a museum, and many visitors come every day.
Tips
history
It was built in the 1770s as the home of 和珅, the Qianlong emperor's favourite. After his fall in 1799 it passed to another prince, and under the Xianfeng emperor to 恭亲王 (Prince Gong), whose title it still carries.
usage
王府 is a prince's mansion. Qing Beijing had dozens of them, and 恭王府 is often called the best preserved.