What is the best thing you have ever seen?
Which is the best thing that you have ever seen?
What is the nicest thing you have ever seen? What is the best thing you have seen someone do? What is the best thing you've seen someone do? What is the most interesting/amazing thing that you almost witnessed? What is the cutest thing you've ever seen in your life? What is the sexiest thing you have ever seen? What's the worst thing you've ever seen? What's the most beautiful thing you've seen in nature? What is the most beautiful thing you have ever felt? What's the worst thing you've seen? What is the best thing you've seen on Quora so far? What is the most beautiful thing you saw today? What's the nicest thing you've seen someone do? What is the most interesting thing you have ever done? What was the most beautiful thing you saw today? What is the most important thing you have ever had? What is the best thing you have ever done? What is the best thing you have ever tasted? What's the best thing you've ever done? What's the best thing you've ever done? What is the most interesting thing you can think of? What is the most beautiful thing you have done? What is the best 'thing'? What is the most beautiful thing according to you? What is the best thing that has ever happened to you? What is the best thing that has ever happened to you? What is the most gruesome thing you've ever seen? Best of X: What is the most beautiful thing in this Universe? What's the most beautiful thing you've done? What is the most interesting thing in the world?