It obviously is easier to travel with another adults – in such case, it is not that important if those adults are members of your family of friends. The most relevant issue is that they would most possibly have similar approach as yours and would enjoy doing similar activities while on the trip with you. You may be sure that in every European capital you will find something nice to do for you and your friends. Nevertheless, the real challenge may be travelling with kids. They most possibly will not be interested in visiting too many museum and churches. You definitely need to select attractions for them more carefully. And this article might be helpful – it presents 2 European cities, that might be perfect to visit with your children.
There are many places as well as cities around the world, that are worth visiting. Nonetheless, there are some places that everybody should visit at least once in a lifetime.