This is a good way of forcing yourself to view a familiar environment in a different way. Almost the opposite to Dissident Junk's suggestion of visiting new or, unfamiliar environments.
Strangely, I find mundane, brain dead work can be inspiring. I often took two or, three weeks work on factory floors between contracts for design companies and corps in London. Three weeks of 12 hour shifts operating a plastic moulding injection press allows for plenty of time spent brain drifting.