Saluda Grade
While I'm in the mood for some posting, here's a sign from Saluda, North Carolina, marking the steepest standard gauge mainline railway in the country. Lots of disclaimers there, but the biggest one they left off is the fact that this stretch of rail hasn't been used in years and years, and would probably need some work before it could be used again. Saluda is at the top end of the grade, and the other end is in Tryon, the small town where my dad grew up. We were visiting a couple months ago prior to my grandmother's funeral.