Boardwalk trails provide a special doorway to national parks

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Hey everybody, we found Waldo!

Walk down memory lane with Hubble's greatest hits

Artist scribbles strangely endearing critters into daily life

Nobody does spring color like Mother Nature

5 reasons to pay attention to those dismal coral bleaching headlines

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Light painter documents his travels using massive, DIY glow sticks

These upside-down dogs will make your frown do the same

Rare 'super bloom' blankets Death Valley in a carpet of wildflowers

700 rescued mutts live the life at Costa Rica's 'Land of the Strays'