Planetary Caching - 4/9/18

So how are you doing with your planetary pursuits?  Today we travel to Ohio for a pair of "PlanetaryCaching" puzzles in a series I first featured way back in 2014.  I returned to it recently while planning my upcoming puzzle run there.  You can start with the original, if you like, and then try your luck with:

Zyx the Alien – Part 3, Sightseeing

and

Zyx the Alien – Part 4, Decoy  

Tomorrow we'll ...