One of your first stops should be Derry Visitor and Convention Bureau. Here, you'll be able to orient yourself and get some great ideas before you set out exploring.
This tourist information center is located in Londonderry, a destination that has lots going for it! Derry City Walls, Museum of Free Derry and Bloody Sunday Memorial, and Tower Museum are other fine sightseeing options close by when you've had your fill of Derry Visitor and Convention Bureau.