Some sites you may be interested in:
Geocaching.com – the main site – this is the place where all starts.
Geocache.fi – this is a Finnish geocaching site, maintained by local people and in close co-operation with geocaching.com. Lots of additional fun for geocachers in Finland.
Taneli Roininen’s page – he was biking around the world, but had to stop the tour December 2018 in Colombia after 44.000 km and 1200 cycling days (1500 total) due to his known heart problem. After that he flew back to Finland for heart operation.
Jukkasalminen.com – cyclist, he wrote an interesting book about driving around the world “Pyörällä maailman ympäri” (Finnish)
Laari.org – my personal site with various stories about dogs, publications, ….