Foot rubs have been amazing, Emma (posted this thread) gives the best foot rubs haha
As for the Geocaching; Basically, you get coordinates, and these coordinates lead you to a place where there is something called a "cache" hidden. So you've got to look around for this cache and it's usually a little container, box, anything weatherproof, really. Inside these little things, are like, log books, so you can log your name and the date you found it. It's like a giant treasure hunt
Some even have things called "trades" in them, which can be little toys or anything, and you swap them for something of equal or greater value, so if you find one with something you really like, and would like a memento, then you can swap it with something you don't want anymore. It's pretty cool.
The site is here