Polar bear near Hudson Bay in Churchill, Manitoba, Canada (@ Galen Rowell/Corbis)
- Some say these arctic giants are so quiet, you don\t know one\s near until it breathes.""What was that noise?!
- Keeping a safe distance from the world\s largest meat-eater is recommended.""How close is too close?
- Despite frigid water, these animals are fast swimmers, paddling with slightly webbed front paws.""How long would you last in such inhospitable conditions?
- Welcome to the self-proclaimed polar bear capital of the world.""Tundra buggies are the only way to travel around here