From stag parties to family reunions, group trips are opportunities to explore the world with the people you love. They also have the potential to be planning messes, with scheduling, decision-making and sorting-out finances coming together in a seemingly endless and possibly disappointing snarl. But they don't have to be. We've rounded up tips, tricks and tools to help plan your next group getaway, hopefully allowing everyone to focus on the fun, not the logistics.

— Understand your group dynamic

The first step in planning a successful trip: Ensure the travelers will get along well together. "Is it a group