The show will be held at the Croaker Road library on Saturday from 10 a.m. to 4:30 p.m. and on Sunday from 1 to 4:30 p.m. Santa Claus will be available Saturday from noon to 4 p.m. for photographs.

For more than a decade, Rob Caves has invited the public to his Altadena backyard to experience an ever-growing model train universe built by him and his fellow hobbyists in the Christmas Tree Lane ...