A look at the mysteries of the coldest parts of the world, how melting ice could have disastrous effects, and the creatures who call an Alaskan glacier home.
A father and daughter are at home when they discover an EF4 tornado is headed right for them; four friends hike in a canyon when a flash flood overtakes them.
A family copes with a damaged home due to a flood, so Cody and Felicia arrive at their door to transform the property into a family funhouse-themed home.
In Dawson Springs, Ky., Cody and Felicia Walker rebuild the house of David and Melinda Walls, which was badly damaged by an EF4 tornado nicknamed "The Beast."
A look at the weather around the country, along with conditions at high-profile events and how communities are rebuilding after devastating natural disasters.
A rolled-over dump truck spills its load on the 401 in the middle of rush hour; Eric works to cement his place on the new team when he and his boss disagree.
Snow squalls attack Highway 402, sending Gary, Collin and Mark to work deep in the trees; a fuel tanker rolls next to rail lines in Toronto's industrial port la
Gary's crew and family come together for a multi-wreck scene blocking the border; low power lines and a bad fuel leak complicate a delicate recovery in Toronto.
Some disappearing places may not be around to be enjoyed by the next generation, such as towns, cities and natural habitats because they are under threat.
Secrets from deep within the Earth, in the domain of molten metal, gigantic impacts and volcanic eruptions, reveal how life is able to exist on the surface.
Forests are home to mysterious curses, medical cures and weird animals, plus they produce vital oxygen while fighting to survive in a changing climate.
In 24 hours, thunderstorms make colored electrical shapes, ice crystals refract light, rainbows appear, the sun sets, and at night, low temps create mirages.
Capable of opening up across more than 20% of the earth's surface without warning, sinkholes have been known to swallow cars, trees, houses and even people.
A dust storm engulfs a road trip; crushing avalanches hit the slopes; rogue waves onboard a cruise liner; golf-ball sized hail; an EF2 tornado on the beach.
Highlighted are news reporters covering dangerous weather conditions ranging from tornados to hurricanes and blizzards and how they become a part of the story.