Croke Park is the headquarters, and main sports ground, of the Gaelic Athletic Association (GAA), which oversees most of the traditional Irish sports—including hurling, rounders (similar to baseball), and Gaelic football. Their museum does a good job of setting out the history of these games and putting them into the wider historical context of the importance of sport to the Irish way of life. The interactive exhibits include a large video archive, and you can take a tour of the stadium too. But the most excitement, of course, happens on match days—check the website if you want to come and hear the roar of the crowd for real.