Travel Opportunity?

So I'm in my school's Honor's Department, and next spring, they are taking students on a 16 day trip to Europe.

I would love to go and see all the places that I've read about, but I have one problem. I don't know anyone else in the department. I wouldn't want to go and not talk to anyone the whole time, but I also think I'd regret it if I missed out on this opportunity.

The people that I knew that were in the program dropped out of it. I should probably just try and talk to more people or something, but I've never been good at that.... Advice?