The State of Washington provided one of the Fair's most architecturally interesting buildings. Erected out of Washington logs, its one hundred-foot high observation station and elevator allowed visitors to view the fairgrounds.
Another architectural style, Spanish-mission, was used in state buildings of South Dakota and Idaho.
Oregon styled their building after the stockade used by the Lewis and Clark expedition.
Each window in Nevada's bungalow was filled with flowers.
Colorado officials drew up plans for a building. But the building was never constructed. Instead the State's appropriations were used on exhibits.