The Durham Museum, (perviously known as the Durham Western Heritage Museum) Lauritzen Gardens and the Union Pacific Railroad Museum joined together for Railroad Days 2007.
Omaha once had a street railway. The tracks were removed decades ago when the bus was considered a better option. The city is considering bringing streetcars back to some areas.
This is about the only place you'll see a caboose these days. They have been considered obsolete by the railroads for at least a couple of decades. They have been replaced by electronic monitoring equipment.