Answer:
I have an eye but cannot see, You'll head inside when you see me.
I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep. For mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backwards, forwards, upside down. Think and answer the question...
Salty water everywhere but not sea in sight.
What turns from red to black as soon as it touches water?
This only turns over once you have traveled very far. What is it?
What do angels sing in the shower?