Unlock the secret world of bears, a mysterious and disappearing realm that is key to polar bear survival. As the Arctic changes faster than ever, a team of guides prepares for an epic journey: a first-ever attempt to follow the polar bears on the sea ice of Hudson Bay. Join the adventure with a two part special, Kingdom of the Polar Bears, starting this Sunday at 6pm on National Geographic WILD UK. | National Geographic UK

"Safety first" is the main mantra when walking among polar bears in Manitoba, Canada. | National Geographic Travel

178K views · 7.1K reactions | Brb, adding a back scratch to the daily regimen ✍️ When Big Bend National Park was established in 1944, bears had nearly disappeared due to trapping and hunting. Their return, starting in the 1980s when a brave mother bear crossed the Rio Grande to reach the Chisos Mountains, highlights the park's role as a sanctuary for bears and the entire web of life that calls it home. #ourHOME | National Geographic Animals | Facebook