special. one massive blaze torching over 23,000 acresch the burn area visible from space. we ve got crews working all through the giant forest looking for those new spot fires and extinguishing them. reporter: red woods like these and joint sucoys have adapted to fire so even if the flames reached them they could still survive. fire officials say it s down to the intensity of the flames. sucoya national park is an absolute gem, an absolute treasure. we ve seen real material mutality as a result of climate driven fire. reporter: the race is onto protect the great general sherman and the surrounding towering treasures. as i said this ain t no rom com tonight, but coming up for us if you want to witness the conversion from vaccine skeptic