Among other things, Afarensis notes that the Ash Fall fossil beds have been named a National Natural Landmark. Ash Fall is near Neligh (pronounced "NEE-lee"), Nebraska. That's only about an hour away from my dissertation site so it's a nice place to take students for a short daytrip. It's also a very cool fossil bed in a gorgeous mixed-grass prairie setting.
Afarensis inspired me to post some photos that I took there in summer 2004. I was more interested in the landscape than the fossils so check out the original post for more links about actual paleontology stuff.