Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
spelunking
Caving is the recreational sport of exploring caves. In contrast, speleology is the scientific stuy of caves and the cave environment.
Trivia about spelunking
If you do a little exploring, you'll find that this is the term for the recreational exploring of caves