Pinterest - Pinterest is a visual discovery tool that you can use to find ideas for all your projects and interests.
Awwwards - Awwards focuses on web design and has an awards system that highlights exceptional design.
DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.
Dudepins - Dudepins is a visual blog that allows you to bookmark content that interests you by pinning it to your personal page. It is essentially a version of Pinterest with content that is catered directly to men and male interests.
weheartit.com - We Heart It lets you create an online album (a heart) with your favorite images and videos.
Designspiration - Discover and share design inspiration