go to the library entrance or go home
"the goal of the project is to visit each of the latitude and longitude integer intersections in the world, [...] pictures, and stories about the visits, will then be posted here."
"the zine about going places you're not supposed to go" with online articles about urban exploration (and, tangentially, the excellent description of shampoos and such as "hair condiments")
site with resources about the hobby of letterboxing, which "combines elements of a scavenger hunt, hiking, orienteering, [...] puzzle solving, and creative expression"
"a gateway to the astronomy community" with tips on amateur astronomy, among other things