I believe this is the simplest, easiest, and most presentable way to fold a bath towel. This fold allows the towels to be stacked and stored without coming undone.
Step 1: Starting the Fold
Fold the towel in half horizontally. Lay it down.
Step 2: Second Half
Half the towel a second time, closing it like a book from right to left.
Step 3: Third Half
Take right half and fold to middle from right to left.
Step 4: Last Step
Now, fold it the same way as in the previous step.
Step 5: Complete!
Now it is done! Try folding the rest of your towels in the same fashion and notice how easy they are to store and stack now.