Now THIS is how you say "Happy Mother's Day". After his mom juggled contracting cancer, losing her home, beating cancer, and raising a child, this guy managed to give back by securing a roof over his mother's head.
Alex Chacon from Texas traveled from Alaska to Argentina in 503 Days, clocking 82,495 miles through 22 countries. This video features some of the highlights from his travels.
For his final online post from the International Space Station, Commander Chris Hadfield recorded himself covering David Bowie's classic 'Space Oddity'.