The coordinates show a place where you can get the key for this cache (if you haven't got it yet)
N 41° 5W.E89 E 012° 2F.A24
Earth
Find two opposite triangles.
What is the last sign of a later date? (in Roman numerals)
Air
If our air shows 12, what shows Ostro?
Fire
Who renovated the floor under the women in fire?
Count letters of last name.
Water
Find a crocodile, look underfeet and read a date.
What is the last digit? (in Arabic numerals)