The answer is Hermitage Museum. This is a historical center of craftsmanship and culture in Saint Petersburg, Russia. The second-biggest historical center on the planet, it was established in 1764 when Empress Catherine the Great gained an amazing gathering of artistic creations from the Berlin shipper Johann Ernst Gotzkowsky. The gallery commends the commemoration of its establishing every year on 7 December, Saint Catherine's Day. It has been available to the general population since 1852.