On this blog of design studio Eighty One, I found an assortment of creative office interiors.

http://www.eightyonedesign.co.uk/how-would-you-improve-your-graphic-design-studio-or-office/
Accessed 6/12/12

Google offices:
Office as set design, as adventure

Top left: Google office in Zurich, Switzerland, designed by Camenzind Evolution, Ltd.

Lego offices

Cartoon Network offices:
A bit of childhood nostalgia in your cubicle

Selas Cano, Spanish architecture office:
Melding with nature