Not another castle, Mom!

I’m wondering how to get the kids interested? I asked them where they’d like to go in our year off, and they said, “Harry Potter World” and to see their cousins. I showed them pictures of what I considered to be awe-inspiring places and asked them if they’d like to see them, and their response was “not really”. What should I be doing to insight interest and curiosity? I want them to choose their own learning experiences, but that will be difficult if their only passion is Harry Potter!!