The cache is not located at the posted coordinates but is within two miles.
Be sure to bring a writing stick
Galileo enjoys all the attention he gets from his servants/team due to the shelter in place. But, he knows they need to get out and explore again. Looking at old postcards only makes them more itchy to plan a Route and get on the road this summer (maybe?) Here are a few of the places they have been eyeing.
You can validate your puzzle solution with certitude.
Congratulations to kcmcacher for FTS and lel_h for FTF