3. State Hermitage Museum, St. Petersburg
The State Hermitage Museum, St. Petersburg is a popular museum in the world that is known for its various art, architecture, and much more. Several people like to visit them because the museum has a collection of paintings from the Berlin merchant Johann Ernst Gotzkowsky.
It was established in 1764 and opened to the public in 1852. By gallery space, it is the largest art museum in the world.