The Idaho Building at the Louisiana Purchase Exhibition in St. Louis, Missouri, in 1904 was a 1-story hacienda designed by architect J.

[2] Transparency photographs of Idaho scenery hung inside the windows,[3] and Native American artifacts were displayed.

[4][5] A writer for the Omaha Daily Bee said that "Idaho's building is a cosy bungalow, with a great smoking room that has polished floors, bearskin rugs and other signs of elegant comfort.

Flood Walker designed the John T. Morrison House, located in Boise's State Street Historic District.

The Morrison House is a chalet design, smaller yet similar to a former Idaho Building at the 1893 World's Columbian Exposition in Chicago.