What are your favorite 2nd & 3rd class Railroads?

Any number of roads would be fine. Yes, they can be long gone logging railroads.

1. Montana Rail Link, HECK YES!!! (SD45s & F45s).
2. Utah Railway (MK5000Cs and F45s).
3. New York and Southwestern (SD45s, F45s, SD40T-2s, & GP18s)
4. Colorado & Southern (Really Scenic).
5. Yadkin Valley Railroad (Big Variety).
6. Deleware & Lakawana (They still have ALCOs).