Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value. But in Indonesia, miners who risk their lives to dig it up barely make ...
Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...
Singers and scribes have waxed poetic for decades about the best beaches in California—here, find our favorites.
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