So, Thursday Night Steam wasn't enough for you? Here is more! Steam built the United States. It transported goods, people, and practically connected two oceans. The California Southern is a great place to watch steam in all it's HO glory, going back to 4-4-0 Americans all the way up to UP's mighty 4-8-8-4 Big Boys & 4-6-6-4 Challengers. Here is a taste of what can be found trackside.