"White chickens, red wheelbarrow, the plums that were in the ice box, so sweet so cold." William Carlos Williams
Such imagery with so little effort.
Think about a place, could be where you are now, could be imaginary, could be someplace you want to go/be, or could be someplace you've gone to.
Now see if you can capture it in a similar way, short and sweet, like William Carlos Williams
Here is another blog that talks about describing place--I haven't checked it out fully yet, but from my fleeting first glance, it looks like it could be an interesting resource.
http://www.writeshop.com/blog/
http://www.writeshop.com/blog/2010/02/23/choosing-vocabulary-to-describe-a-place/