Congrats to WIFI902 for the FTF!
Stereograms are a unique form of optical puzzle where 3D images are hidden in larger pictures. To view the hidden image you must stare at the picture and allow your vision to unfocus. With the right touch the hidden image will float above the background. You can find lots of examples and additional guidance on the Internet.
The cache is located at the following coordinates:
N44 4A.FB0
W063 3C.DE2
Questions:
How many 3D objects in the picture are images of living things? This is A.
Regarding the 3D object on the far right: take the first letter of the word for this item and convert it to a numerical value. e.g. A=1, B=2, etc. This is B. Watch your spelling!
How many 3D characters do you see in the picture? Deduct 2 from this count. This is C.
Again, how many 3D characters do you see? Spell this number out. Take the first letter of the number and convert it to a numerical value. This is D.
One of the 3D objects you see is not like the others. Take the 5th letter of the word for this object and convert it to a numerical value. This is E. Then take the 7th letter of this word and convert it to a number too. This is F.