The Museum of Contemporary Russian History has an extensive collection (of over 2 million exhibits) that documents the country's political development over the last 150 years. All sorts of unique items including photos, posters, books, and documents look at and analyse the most important events in recent history - the museum even has the actual stones thrown at policemen by workers in the 1905 Revolution. There are also detailed and informative accounts of events since the fall of Communism.