If you want to see the inside of an Iranian nuclear power plant, you can check out pictures from Ahmadinejad's trip to Natanz nuclear facility:
Here is a New York Times article about these pictures and an associated slide show. If you are wondering who are these people in the photograph below, or if you want your own nuclear reactor and want to know more about these funny looking tubes, check out this annotated version of this photograph.
The sprawling site, known as Natanz, made headlines recently because Iran is testing a new generation of centrifuges there that spin faster and, in theory, can more rapidly turn natural uranium into fuel for reactors or nuclear arms. The new machines are also meant to be more reliable than their forerunners, which often failed catastrophically.
Now I don't know much about Iranian fashion - but these shoes below really don't go well with white lab-coats: