Answer:
I can travel from there to here by disappearing, and here to there by reappearing.
This is rectangular, hollow and has a lid, and where you’ll find it you might wonder, it is just six feet under. What is it?
A morbidly-named body of water
If you happen to wear one of these warm garments around, you might get doused in red paint.
Long and slinky like a trout, never sings till it's guts come out.
What is so fragile that saying its name breaks it?