Huge HO layout! The Pasadena Model Railroad Museum

The PMRRM "Sierra Pacific Lines" is one of the largest HO layouts in the world. The theme of this open house was mid 20th century western states diesel. Visit them at www.PMRRM.org

[@HumancityJunction]

Thanks for sharing this Museum layout. I always like seeing places that still run circus trains

[@90barns]

The UFO taking the cow, lol. That's hilarious!

[@stevenikitas8170]

Wow...