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

Discovered in 1999 during mining operations in the Mina Rica (the Rich Mine) in Almeria, southeast Spain, the crystal geode of Pulpí hosts among the most beautiful crystals ever discovered. Even if ...

Lovely day for a bit of rockhounding. Found agates, geodes, and the mild realization that we’re holding something older than ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The geological history that led to the formation of giant crystals and ...

I head down a wild river looking for fossil geodes and agatized coral, dragging the canoe through shallow water while ...

Real geodes are handball-sized, hollow rocks that start out as bubbles in volcanic or sedimentary rock. Only when these inconspicuous round rocks are split in half by a geologist, do we get a chance ...