Grammy-winning Mandolinist Avi Avital joins host Sam Osterhout in playing a hipster nerd game called
Geocaching. Geocaching is an activity in which someone hides a tiny object somewhere in the world and someone else uses GPS to find it.

More on Geocaching at Goecachersnyc.com

(FYI: despite what the map at the beginning of this episode implies Red Hook Bait & Tackle (not Red Tackle as the Geocachers website says) is located in Red Hook. It’s an awesome bar! You should go there, like right now… if it’s not open wait out front till it is).