The Los Altos History Museum will be holding it's annual Train Days model railroad show on September 15th and 16th. Hours are 10:00am to 4:00pm both Saturday and Sunday. Admission is $5.00 per family and parking is free. There will be Several modular layouts set up both indoors and outdoors. There are not any vendors at this show, only layouts. In the past there have been food trucks so there is food available to buy. On the second floor of the museum there is a permanent O Scale layout depicting downtown Los Altos in the 1920's. The museum is located at 51 So. San Antonio Road, Los Altos, CA 94022 https://www.losaltoshistory.org/events/train-days-3/
My daughter's wedding was held at this museum. She graciously permitted taking this photo (late in the evening, after the museum staff turned off the display, which operates).