A Fantastic Beast

...and where to find it?  The Nevada State Railroad Museum.

Let's look inside this beautiful creature:

 Can you guess the species of this truly fantastic beast? 

I captured a few images of the exterior of this tremendous and beautiful thing, but there are far better out there and Google can help you find them, I'm sure.  These images were made with my new Kindle Fire (an early Xmas present), and I'm still learning how to use it.