1. Portals torn into the sky http://5thin.gs/GF1K8o
2. Auroras explained from the ISS's perspectivehttp://5thin.gs/GEkuFJ
3. Photo series of girls and their American Girl avatarshttp://5thin.gs/GIC4XM
4. Impressively complex photo-realistic paintings http://5thin.gs/GIVl9e
5. How amazing adventure footage is shot http://5thin.gs/ylZqLj
