The National Cash Register Building, commonly referred to as the St. Johns Theater & Pub, was a building that was first erected in St. Louis, Missouri, for the Louisiana Purchase Exposition in 1904 and then moved to Portland, Oregon, the next year for the Lewis and Clark Centennial Exposition.

[2][3] It was moved a third and final time to the suburb of St. Johns, Oregon, which is now a part of Portland.

The NCR Corporation constructed a $5,000 building for the 1904 Louisiana Purchase Exposition in St. Louis, Missouri.

[2] The building was uprooted for $1,000 and transported to Portland, Oregon, for the 1905 Lewis and Clark Centennial Exposition.

[4] The First Congregational Church of Portland donated stained glass windows that read "The Bible and the Cross and Crown".