King cobras take the train in India

Earth's largest venomous snakes are hitching a rides to places they don't belong. Breakthroughs, discoveries, and DIY tips sent six days a week. The king cobra () isn't a difficult snake to spot. A fully grown adult easily reaches over 13 feet long, making them the largest venomous snakes in the world. But despite their size and iconic appearance, at least one vulnerable species in India is sneaking aboard trains and accidentally arriving into new and dangerous habitats.