This week, Huell participates in an L.A. Air Raid event, he visits an avocado processing plant and much more. Scroll down for a complete list of this week's Huell adventures!:

Monday - Feb. 6, 7:30pm: Masonic Cave - Huell's off to Amador county and the town of Volcano. It was once a thriving, gold mining town in the 1850s and 1860s, but Huell has set off to discover the mysterious cave in this mountain community which served as a Masonic lodge.

Celebrate Black History Month in February with KCET! We have several wonderful programs and documentaries that delve deep into the rich history of African Americans in the United States. We hope you'll tune in for one or all of the following shows:

Unforgettable Hampton Family
Thursday, Feb. 16, 10 p.m.
Unforgettable Hampton Family is a riveting documentary that explores how Deacon Clark Hampton, a son of slaves, lifted his twelve children out of poverty by making them into successful musicians.

This week, Huell visits an onion processing plant, the Los Angeles Regional Foodbank and much more! Scroll down for a complete list of this week's Huell adventures:

Monday - Jan. 30, 7:30pm: Gill's Onions - Huell visits the family run Gills Onions, which is not only the largest onion processing plant in California but its also the greenest. Each day they convert over 150 tons of onion peel and juice waste to power fuel cells on site that provide enough power to run the lights and refrigeration.

Watch this episode now:

California's Green #134 - GILLS ONIONS from Huell Howser on Vimeo.

This week, Huell witnesses an emotional reunion between bone marrow donor and transplant patient, he goes green in the Salton Sea and much more! Scroll down for a complete list of this week's Huell adventures!

Monday - Jan. 23, 7:30pm: Donor Reunion - Huell attends the 28th Annual Celebration of Life at City of Hope. From the first successful Bone Marrow Transplant performed in 1976, City of Hope has completed more than 6,300 Bone Marrow Transplants and affected countless lives. Today, City of Hope is the third largest provider of Bone Marrow Transplants in the world.

See a City of Hope transplant patient meet his donor for the first time:

This week, Huell travels to a Snow Goose Festival, he rides the Skunk Train and he takes a gander at some vintage electric cars. Scroll down for a complete list of this week's Huell adventures!

Tuesday - Jan. 17, 7:30pm: Snow Goose Festival - Huell travels to Chico to join the celebration of the arrival of thousands of waterfowl that come from the north to spend their winters in the temperate North Valley climate. Snow Geese, Tundra Swans, Sandhill Cranes, Pintail Ducks and many more, fill the rice fields and wildlife refuges throughout the area. The Snow Goose Festival has grown to be one of the major Birding and Wildlife events in the state of California and you'll be amazed at the shear beauty of this spectacle.

Learn more about the Snow Goose Festival:

This week, Huell takes a ride on a zamboni, he takes a bite out of pastrami sandwiches and much more! Scroll down to see where else he's headed this week.

Monday - Jan. 9, 7:30pm: Zamboni - Huell learns about the machines that clean the ice at ice rinks and professional hockey events. The machine is called a Zamboni and was invented right here in California. Huell meets the son of the inventor and visits the factory where they were invented. Huell tops off the day with a trip to the Anaheim Pond, home of the Mighty Ducks to see the Zamboni in action at a professional hockey game.

Watch a sneak preview of this episode:

This week, Huell gets into the holiday spirit with poinsettias, See's Candy shop and more. Scroll down to see where else he's headed this week!

Monday - Jan. 2, 7:30pm: Diapers - Huell takes a look at that not so popular business of home diaper delivery service, with the family owned and operated Dy-dee Diaper Co. We start with Huell as he helps pick-up the dirty diapers in the famous Dy-Dee truck, then watch as they are sorted, washed, dried, and folded - ready for duty.

See a commercial for Dy-dee Diaper Co. from 1978:

KCET President and CEO Al Jerome delivers his annual end-of-the-year message to KCET viewers and supporters.

If you'd like to help keep the great programming you love on KCET, please visit our support page and make a tax-deductible donation today!

This week, Huell gets into the holiday spirit with poinsettias, See's Candy shop and more. Scroll down to see where else he's headed this week!

Monday - Dec. 19, 7:30pm: Poinsettias - Albert Ecke immigrated from Germany to Southern California in 1902 and opened a roadside stall selling fruits and vegetables. By the 1920s his son Paul started selling some of the wild poinsettia plants that grew in the hills above their stall. From these small beginnings, it is now estimated that over 90% of all flowering poinsettias get their start at the Paul Ecke Ranch. Join Huell and Luis as they meet Paul, Paul Jr. & Paul III, who give them a tour of this amazing and brightly colored piece of California's Christmas Gold.

Check out a sneak peek of this episode:

Visit the KCET Holiday page for the latest holiday-themed events, news, recipes and KCET programming.