SAUK RAPIDS, Minn. -- For Lyndon Johnson, treasures can be found anywhere -- one just has to train his or her eye. "I know when to look and where, and where to look when," Johnson said with a smile.

The Oregon coast is known for all kinds of natural beauty. Seashells, however, are not one of them. But that doesn’t stop crowds from coming to the coast to search the sand for that one special ...

DULUTH — About 1.1 billion years ago here, fissures opened in the surface of the earth, depositing lakes of molten rock near what would eventually be the Twin Ports and Lake Superior. This is ...

Mineral deposits can create markings that look like forests or mountains, and experts say each stone is distinctive. By Jill Newman When Tarun Adlakha displays a dendritic agate, with its finely ...

Agates are rocks. More specifically, they’re a form of chalcedony typically semi-transparent to translucent. Size-wise, more often than not, agates range somewhere between a jelly bean and a ...