Part of Ireland’s national university, with about 7,000 students, this center of learning is housed in a pretty quadrangle of Gothic Revival–style buildings. Colorful gardens and wooded grounds grace the campus. An audio tour of the campus takes in the Crawford Observatory, the Harry Clarke stained-glass windows in Honan Chapel, the landscaped President’s Garden, and the Stone Corridor, a collection of stones inscribed with the ancient Irish ogham written language. You can also join an hour-long guided tour, given by students, leaving from the visitor center at 3pm from Monday to Friday, or noon on Saturdays. Also on the campus, the innovative Lewis Glucksman Gallery (; 021/490-1844) has an excellent program of exhibitions. Expect to see cutting-edge photography, painting, sculpture, and a few items from the university’s ever-expanding permanent collection. A good cafe and shop are also on site. Admission to the Glucksman is free, though a donation of €5 per person is requested.