Good.is displays an interesting site design.
The footer is also pretty cool.
Verge.com, a technology site, has an especially dynamic layout.
This is particularly noticeable in the way the tiered content is displayed. It is divided by threes and developed in a kind of spiral pattern using rectangles.
The design of the footer gives a simple reprieve after the dynamic design of the main content of the site.
Visvim.com plays with the idea of a pdf design as applied to a website.