Hobbies built around finding a location, following a route or exploring a place using a device, a map or a published clue, an activity-participant hobby in Stebbins' typology. Belongs here: geocaching, geohashing, letterboxing, Munzee, urban exploration, roadgeeking and magnet fishing, all sharing the same find-and-record structure even though their tools range from GPS coordinates to a printed clue to a magnet on a rope. Does not belong here: hobbies that observe rather than search, grouped under Nature Observation and Husbandry Hobbies or Astronomy and Amateur Investigation Hobbies.