Dig into western Illinois and uncover crystal-filled geodes hiding beneath the soil at this muddy, hands-on adventure near ...

The crystal collector checks out a public dig location for these awesome Geode crystal formations! Not even realizing until later that these geodes are rare and have a nice green fluorescent glow with ...

Sparkling hollows filled with lustrous crystals, dubbed geodes, are often perceived as small objects that can fit comfortably on a bookshelf. But some are more like gigantic cathedrals filled with a ...