*SUBSCRIBE NOW!! It's worth it. * Adam Sevani and Jon M. Chu challenge Miley and Mandy (AKA M&M) to the biggest online dance battle ever. It's on. Unless they're too scared ...

Footage of CrossFit Central's 300 challenge workout.

100% Clean Energy in 10 Years - Washington, DC. July 17 2008

A chance to see the Top Gear boys famous car-boat challenge! Will any of their converted cars survive the Top Gear challenges?

BOW WOW ISSUES A CHALLENGE TO RAPPER THE GAME. A GOOD FRIEND OF HIS TO A FRIENDLY BATTLE IN MADDEN FOR A GOOD CAUSE!!!

70m apple, 70m egg, 30m soybean(first,hemp thread)... 30m piercing an arrow ''''''''''repeathing the same shot brame mathematically impossible split an arrow into two was,...

Arsenal do the crossbar challenge on Telefoot. Better quality video than my previous upload.

Demonstration clips of Yoga Challenge I, II, III & IV, by Tony Sanchez. Originates from the 84 classic asanas from the Ghosh/Bikram lineage of physical culture hatha yoga....

Footage from the BT Global Challenge 2000/01 - round the world yacht race

Turk Pipkin discusses and explores the Open Architecture Project - http://50x15.com - http://www.architectureforhumanity.org - Also check out Nobelity, Turk's feature film ...