Sepp Boegle, a German man, creates amazing artwork by balancing rocks.
Big Bugs
See the work of an artist who makes giant sculptures of some of the world's smallest creatures.
Building a School
Kids who didn't know each other joined together to build a school in their new village in Africa.
Building Beaver Dams
"Human beavers" are scientists and field workers who build "starter dams" to improve damaged stream habitats and encourage beavers to settle there.
Drilling in the Ocean Floor
Scientists visit the oceans of the world to study what is beneath the sea floor.