Utah has a few interesting airports.
http://www.airnav.com/airport/UT03 Used to go here 2-3 sometimes 4 times a day. The picture does it no justice. You always land to the east (toward the bridge) because of the slope and usually had a quartering tail wind. Take off was right at a tall cliff face where hopefully there was some lift. Not too bad in a CE 206 or 182 but if you were in a 207 you may have to go down Lake Powell a ways to gain altitude. Also on Lake Powell is Bullfrog
http://www.airnav.com/airport/U07.
Then there was Mineral Bottom.
http://www.airnav.com/airport/UT75 Fly down a canyon low level, make a left turn at the river, cross over a little ridge and land. Very fun. Take off was fly down the Green River to get altitude. There was also this ranch up at around 9000' we used to go into.
Around the Great Salt Lake there was a couple strips on Fremont Island and Promontory Point as well as a road on Stansbury Island.
I am sure someone will chime in on many of the strips in Alaska like Sparrevohn, Whitier, downtown Cordova (CKU not Mudhole), landing on the beach, any mining strip...etc...etc...etc. Ah the memories.
Oh and don't forget Leadville
http://www.airnav.com/airport/KLXV.