An abandoned industrial complex by Lake Michigan was once a top-secret military compound that protected America from enemy attacks; new discoveries reveal what really happened here and why the government turned its back on this juggernaut.

Discover how aluminum foil, snowboards, contact lenses and bread are made.

Discover how compact discs, mozzarella cheese and pantyhose are made.

Discover how toothpicks, acrylic bathtubs, helicopters and beer are made.

Discover how hearing aids, 3D puzzles, rubber mats and toilets are made.

Discover how copy paper, jeans, computers and plate glass are made.

Discover how nails, safety glasses, fabrics and bicycles are made.

Discover how kayaks, safety boots and breakfast cereals are made.

Discover how trucks, adhesive bandages and circuit boards are made.

Discover how steel, aircraft landing gear and cosmetics are made.

Discover how holograms, package printing and canned corn are made.

Discover how plastic bags, solar panels and hockey sticks are made.

Discover how aluminum screw caps, chocolate, pills and pasta are made.

Discover how bicycle helmets, car brakes and aluminum are made.

Discover how eyeglass lenses, granite and microprocessors are made.

Discover how honey is produced, and how fiber optics and bricks are made.