What's one thing you've always wanted to do but haven't had the chance to yet?

This question is an open-ended one and allows the person to share their desires, dreams, and aspirations. It can reveal a lot about their personality, interests, and passions. The answer could be related to travel, career, personal goals, hobbies, or any other aspect of their life. It can lead to further discussions about their plans and motivations and create a more meaningful and engaging conversation.