Alaska: Top Photos

Glaciers, grizzly bears, and frontier wilderness that redefines family adventure

Humpback whale breaching in Ballena Marine National Park, Costa Rica. The reasons why whales practice breaching are still unknown today. Some hypotheses among others are that breaching is done in orde
A humpback whale breaches — researchers still debate exactly why they do it. We don't need an explanation. Watching one launch out of the water is enough. © Giles Laurent, CC BY-SA 4.0, via Wikimedia Commons

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