The treasures in this case are geocaches, those little plastic boxes of goodies that are hidden all over the earth.

For French today, we will learn the word douche - now, don't think too much!

1876–9: J.N. Lockyer, Magnetelectrical Observations of the arctic expedition 1875/76, article title

Some of the most significant Paleozoic inliers occur near Las Delicias in southwestern Coahuila, 480 km (300 miles) south of the Marathon region, where a thick sequence of marine Permian with volcanic components has been steply folded […]