Added exceptional design challenges:

 

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

Building ChallengePattern ChallengeDesigners ChallengeResearch Challenge
Expostitions ChallengeMagazine ChallengeLiterature ChallengeManufacturing Machinery Challenge
Italians ChallengePublishers ChallengeSocial and Behavioral Sciences ChallengeCollege of Design Challenge
Absolute ChallengeArchitectural Design ChallengeGreatest Products ChallengeGreatest Art Pieces Challenge
Contests' ChallengeTop Designers ChallengePerfect ChallengeTop Design Challenge
Meta ChallengePortfolio ChallengePortfolios ChallengeResidency Challenge
Energy Products ChallengeConsumeables ChallengeCookware ChallengeArchitecture Projects Challenge
Art Works ChallengeOutranking ChallengeShortlisted ChallengeConferences Challenge
Blogging ChallengeWhite Goods ChallengeDictionary ChallengeProsumer Tools Challenge
Digital Devices ChallengeEngineering ChallengeSocial Projects ChallengeExhibition Spaces Challenge
Additionally see: Catalog of Design Challenge | <- Index