Who's up for a treasure hunt?
Geocaching is a high-tech variant on the traditional treasure hunt. The treasure is called a "cache", the hunt is carried out using af GPS device - and the entire family can take part.
At Sæby Tourist office, ore here, you can get a brochure that gets you started geocaching.
Links:
Geocaching in the Land of Light
Geocaching.dk
Geocaching.com
Geowiki
Geocacheren