Dirty Jobs

Mike finds out about work being done at the La Brea Tar Pits, then learns about animal rendering.

Mike harvests walnuts and learns how to make goose-down pillows and comforters in California.

Mike presses olives into oil in Arizona, then heads to California to clean dirty diapers.

Mike learns how to make high-quality bird food, then collects spiders to milk them for their venom.

Mike heads to MotivePower in Boise, Idaho, to build and restore locomotives for his 200th dirty job.

Mike discovers what it takes to breed and train sled dogs in Big Lake, Alaska.

Mike recovers and crushes abandoned boats, then picks up and recycles used mattresses.

Mike hops into a bosun's chair to clean windows 40-stories above downtown Honolulu.

Mike performs tests on endangered alligator snapping turtles, then removes and recycles toilets.

Mike heads to a unique dairy farm where he learns how to milk, care for and breed dromedary camels.

Mike spends a day at an electronic waste recycling facility, then learns how to make tofu.

Mike goes to Arkansas to perform dung beetle research, then tries making glass art in West Virginia.

Mike helps maintain a hydroelectric dam in Washington, then wades through a pool of fish poop.

Mike tries his hand at shrink-wrapping a houseboat, then spends a day working at a reindeer farm.

Mike learns how to make dirt shirts in Hawaii, then heads off to Reno, Ohio, to make marbles.

Mike helps make specialty fireworks, then checks out a cow with a hole in its stomach.

Mike harvests clams in Florida, then takes on worm grunting in the Apalachicola National Forest.

Mike participates in paint bulking, then learns how to make maple syrup the old-fashioned way.

Mike works to remove stinky skunks and other wildlife around homes in Southern California.

Mike spends a day working on a cricket farm to help breed, capture and package the critters.

Mike spends the day chasing feral chickens and chicks to get them off the streets of Miami.

Mike heads to Sault Saint Marie, Michigan, to work with the Soo Locks maintenance crew.

Mike makes decorative concrete countertops and a fire pit, then recounts his scariest job.

Mike gets filthy working at a bone black plant, then discusses his dirtiest jobs with twin sisters.