Photograph by Bob Krist
See photos of the top happiness hot spots around the world—Denmark, Singapore, Mexico, and San Luis Obispo, California—and discover some of the secrets of thrivers.
Two young Danes find out if they're tough enough for the world's only military dogsled team.
Is the "greening of Greenland" finally happening?
Murdered? Sacrificed? The bodies found preserved in Europe's peat bogs pose haunting questions.
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