Added exceptional design challenges:

 

To discover more on a particular Challenge, checkout the hyperlink.

Student ChallengeStudents' ChallengePackage ChallengeInterdisciplinary Challenge
Perfect ChallengeEvent ChallengeEuropean ChallengeMilan Challenge
Council of Creativity ChallengeAmerican ChallengeSpacecraft ChallengeNational Awards Challenge
The One and Only ChallengeMagazines ChallengeStreet Furniture ChallengeDesign Collage Challenge
Accomplished ChallengeAward ChallengeMasters' ChallengeArchitecture Art and Design Challenge
DesignPrix ChallengeLeading ChallengePerfect ChallengeProfessional Architects Challenge
Meta ChallengeTravel Accessories ChallengeHuman Resources ChallengeProsumer Products Challenge
Scholarship Programs ChallengeWorkshop and Warehouse ChallengeJewelry ChallengePet Products Challenge
Art Installations ChallengeConventions ChallengeDesign Photography ChallengeBlogging Challenge
Beauty Products ChallengeGray Goods ChallengeInspirational ChallengeFunctional Furniture Challenge
Additionally see: Catalog of Design Challenge | <- Index