The Czartoryski Museum, located in Kraków, Poland, is one of the oldest museums in the country, founded in 1800. It houses a diverse collection of art and historical artifacts, including works by renowned artists such as Rembrandt and Leonardo da Vinci. The museum is particularly famous for its painting, "Lady with an Ermine," which is a significant piece of Renaissance art. In addition to paintings, the museum features a variety of decorative arts, manuscripts, and historical memorabilia. The collection reflects the rich cultural heritage of Poland and the contributions of the Czartoryski family, who played a vital role in its establishment and development.