After listening to Zach’s interview with Brian O’Keefe, I thought I’d share a tip for organizing your photos based on locations. I originally used keywords to attach locations to my images, and it was getting out of hand in deciding what tags to use. I stumbled across a video showing the capability of lightroom to automatically organize photos based on location.
You can either apply these tags on import, or you can retroactively edit the metadata for your library.
Like so:

After making all of the changes, you can browse through your photos based on location.

I’ve cut the number of keywords I’m using by two-thirds. It’s probably obvious to most of you, but thought it was worth sharing.