What a wonderful city, animated, lot of friendly people and a LOT of pubs to visit. Definitely a must-go for any young traveler. Best 5 things to explore in Dublin:

  • Guinness warehouse
  • Temple bar
  • St Patricks Cathedral
  • Phoenix Park
  • Dublin Castle

There's a lot of diff things to see inside and outside Dublin, if you have car: Ring of Kerry (South of Ireland - Cork)