请调整浏览器窗口大小或者请使用手机查看!
In Cotton Grove, Ore., Becky hunts for truffles, the most expensive fungus in the world, and gets instruction from Jack Czarnecki on how to prepare them.
Becky looks for fluorescent minerals at the Sterling Hill Mine in Ogdensburg, N.J.
Becky hunts for opals in northern Nevada's Virgin Valley and in Oregon. Also: polishing the gemstones.