It could be travelling into Parallel Universes and finding other versions of yourself.
It could be breath taking experience and wondering to see which path was right for your life. Think about your whole life and your choices. You will able to see all options and result. It could be endless travel and you could find out awesome versions of you ever wanted to be.
You could even see one of your version living your dream never able to live on your current life.
There could be different scnerios and learning from all could be amazing experience. Maybe you see concequences of something you always wanted and give up afterthat. Maybe you will find out some choice lead your alternate version some place you could never guess.
Possibilities of many choices and seeing concequences and different version of yourself are pretty amazing idea.