We just got back from witnessing one of nature’s most breathtaking spectacles. High in the Sierra Madre Mountains west of Mexico City is the Monarch Butterfly Biosphere Reserve, a UNESCO World Heritage Site where migrating Monarchs from east of the Rockies throughout North America overwinter in a mountaintop forest of oyamel fir trees. Arriving around late November and staying until March, they number in the… Read moreThe Marvelous Monarchs of Mexico