I am going to post a long list of all mysteries of the show that ended up unexplained. Feel free to add your own in the comments or/and explain some of them, if you feel like.
- Hurley bird
- Outrigger canoes
- The nature of Smoke Monster. Falling in a huge sink doesn't satisfy me.
- What is under the Island? Is it literally a cork to hell? Sounds lame to me. Why is there a bright magical light when the hell is safely corked?
- What exactly are the properties of the light? They made it look like applied phlebotinum (deus ex machina really).
- How did Others leave the Island without the sub or any boats?
- How did Jacob leave the Island?
- Why both Mother and Jacob enchanted the wine/water while passing their powers, and why Jack didn't? Is it really necessary, o…