275K views · 2.2K reactions | National Geographic Explorer Mike Libecki and 15-year-old climber Lilli Libecki helped hundreds of adventurers uncover and build a life-sized mammoth with the help of two LEGO Master Builders. Watch the full story below! | National Geographic Kids | Facebook

1.3M views · 103K reactions | What would it be like to walk across the world? Nat Geo Explorer Paul Salopek has been on a 13,000 mile foot journey over the last 10 years, in the footsteps of our ancestors. And he has another 12,000 miles to go. Video by John Stanmeyer https://on.natgeo.com/3KPCaV9 | National Geographic | Facebook

476K views · 3.6K reactions | For National Geographic Explorer and historical ecologist Jonathan Cybulski, Hong Kong is the ideal place to study human influence on the natural world. Through his work at The Swire Institute of Marine Science, he hopes to help preserve the territory’s coral communities by understanding how they have declined in the past. | National Geographic Asia | Facebook