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National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.
Wednesday, November 11, 2009 |
Photo: Caterpillars Build Silk "Alarm Systems"By keeping long hairs in contact with the silk strands, the caterpillar can detect approaching danger and flee through an escape hatch chewed into the leaf, according to an October 2008 study. This ability makes metalmark moth caterpillars the only creatures other than spiders known to use silk to detect intruders. Photograph courtesy Jadranka Rota
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY50 Drives of a Lifetime
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