Becky visits an amethyst deposit at Jackson's Crossroads, Ga., and takes her find to be cleaned and polished.

Searching through Wisconsin woods for morel mushrooms.

Becky kayaks and snorkels the rivers of Florida in search of fossilized teeth from a megalodon, a prehistoric shark.

Becky digs up fossil deposits in Kemmerer, Wyo., and takes them to GeoDecor, in El Segundo, Cal., to have them evaluated.

Becky digs for antique bottles in New York and Oregon.

Becky travels to Deming, N.M., in search of thunder eggs.

Becky hunts for opals in northern Nevada's Virgin Valley and in Oregon. Also: polishing the gemstones.

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.

Civil War artifacts are uncovered along the Potomac River near Fredericksburg, Va. Host: Becky Worley.

In Montana, Becky looks for sapphires and visits the Sapphire Gallery in Phillipsburg, later travelling to the Spokane Bar Sapphire Mine in Helena. Also: heat-treating sapphires.

Becky searches for meteorites in Kansas, uncovering one that is valued at $129,000. Also: meteorite hunters in New Mexico and at a gallery show in Dallas.

Becky hunts for aquamarines in the Blue Ridge Mountains of North Carolina, finds them by dynamiting mine walls, and then has them cut, polished and appraised.

Becky searches for sunken treasure off Key West, with assistance from Mel Fisher's Treasures, eventually uncovering a rare silver coin.

Becky looks for gems at the Crater of Diamonds Park in Arkansas and meets a man who found a flawless yellow diamond worth more than $15,000.

Becky searches for gold at Roaring Camp in northern California, where she learns to pan and sluice. Afterwards, she take her haul to a jeweler to have it appraised.

Mining sunstones in the Oregon high desert; gem-faceting techniques; kayaking and snorkling Florida rivers for fossil teeth from the C. Megalodon, an ancestor of the shark.