Published January 6, 2002 12:00AM

The moss is always greener: lava fields off the Ring Road in South-Central Iceland. (Photo: Jamey Stillings/workbookstock.com)
ICELAND
Trekking, paddling, backpacking, horseback riding, hot potting, and puffin rescuing in the land of fire and ice
MAINLAND SCANDINAVIA
Exploiting round-the-clock daylight in Norway, Sweden, Denmark, and Finland