Geocaching can bring you to many beautiful places and spaces, and help you discover the world around you in a whole new way. Speaking of new, it also can lead to new purchases of items you never thought you’d need before geocaching. Invisible ink, ciphers, and more! How many items on this list do you own?

Twenty years ago this month, the geocaching community learned of Project A.P.E., a promotion sponsored by 20th Century Fox that aimed to generate interest for their summer blockbuster movie, Planet of the Apes. The promotion’s target audience: geocachers.

Have you ever found yourself on a geocache outing and felt a little in over your head? We’ve all been there, some days your normal geocaching habits of gadget caches or mysteries may just not cut it. For those days, utilizing a few Premium features can help easily tailor your outing to better suit your geocaching skills, goals, and mood! Use these three features to find geocaches that match your skills, capabilities, and caching goals.