Added exceptional design challenges:

 

To discover more on a particular Challenge, checkout the relevant link.

Culinary Arts ChallengeConstruction Materials ChallengeStrategy ChallengePerfect Challenge
European ChallengeRetail ChallengeSurmount Security ChallengeUltimate Cars Challenge
Good ChallengeMagnificient ChallengePublishers ChallengeFaculty Challenge
Good ChallengeArchitectural Design ChallengeGreatest Designers ChallengeFor Designers Challenge
Childrens' Products ChallengeTop Architects ChallengeSelected Works ChallengeTop Notch Design Challenge
Arts Equipment ChallengeBest Landscape ChallengeAgriculture ChallengeFinancial Products Challenge
Business Strategy ChallengeEntertainment Products ChallengeExhibition ChallengeArt Portfolio Challenge
Art Events ChallengeDesign Weeks ChallengeConference Centers ChallengeConferences Challenge
Blogging ChallengeTradefair ChallengeTradeshow Centers ChallengeOrange Goods Challenge
White Goods ChallengeBrown Goods ChallengeSocial Projects ChallengeExhibit Challenge
Additionally see: Catalog of Design Challenge | <- Index