One of the places we visited in Havana was the Museum of the Revolution. It covers the history of the 1959 Revolution that overthrew the previous Battista regime. As someone who has studied politics, I find this political history interesting. Revolutions usually only occur when things are very desperate, as the risks involved for revolutionaries are great. Things were pretty grim before the revolution, there was a lack of access to education and healthcare, widespread illiteracy, a low level of employment, poverty even for those that were employed, as well as torture (instruments were displayed). It's pretty amazing that a revolution was also successfully pulled off with the small numbers that Fidel Castro's guerilla army had at first as well.
As well as providing an interesting insight into a different political culture, the cafe at the museum had the most delicious lemon drink on offer that I have ever tasted. Recommended!