It definitely can be easier to travel with another adult people – then, it is not that important if these adults are members of your family of friends. The most necessary thing is that those people would most possibly have similar interests and would enjoy doing similar activities while on the trip abroad. You can be sure that in every European capital you would find something interesting to do for you as well as your friends. Nonetheless, the big challenge may be travelling with kids. They most probably will not be interested in visiting too many museum and churches. You definitely have to select attractions for children more carefully. And this text may be helpful – it shows two European cities, which might be perfect to visit with your children.