Where to visit in Ulster, Northern Ireland?

Hey im from donegal in ulster but in the republic(: Theres a lot of great places in ulster, the most popular are the Giants causeway(not that great tbh) and the Belfast shipyards where they built titanic. Theres the ulster american folk museum in omagh which is fantastic and whihc would suit your boyfriend. Come and visit donegal over the border its the beautiful place in Ireland and im not even being biased lol(;