Columbia County, Washington

A. H. Bishop House (House)   [Map]
622 E. Richmond, Dayton, Washington
Andrew Nilsson House (House)   [Map]
312 E. Patit, Dayton, Washington
Bank of Starbuck (Bank)   [Map]
Main and McNeil Sts., Starbuck, Washington
Columbia County Courthouse (Courthouse)   [Map · Street View]
341 E. Main, Dayton, Washington
Dayton Depot (Railroad depot)   [Map · Street View]
2nd and Commercial Sts., Dayton, Washington
Also known as: Union Pacific Depot
Dexter House No. 1 (House)   [Map · Street View]
515 S. Fourth, Dayton, Washington
Also known as: Swanson Home
Dexter House No. 2 (House)   [Map]
507 N. Third, Dayton, Washington
Downtown Dayton Historic District (District)   [Map · Street View]
Roughly along Main St., from Front to third Sts., Dayton, Washington
Dr. Marcel Pietrzycki House (House)   [Map]
415 E. Clay, Dayton, Washington
Frank Flintner House (House)   [Map]
214 S. Sixth, Dayton, Washington
Also known as: Broughton Home
Grover J. Israel House (House)   [Map]
305 S. Sixth, Dayton, Washington
Guernsey--Sturdevant Building (Commercial building)   [Map]
225 E. Main St., Dayton, Washington
Also known as: Groom Agency
J. A. Thronson House (House)   [Map]
510 S. Fourth, Dayton, Washington
Also known as: Danielson Home
Jacob Weinhard House (House)   [Map]
NW of Dayton, Dayton, Washington
John Brining House (House)   [Map]
410 N. First, Dayton, Washington
Mancel Kelley House (House)   [Map]
1301 S. Fifth, Dayton, Washington
Also known as: Zastrow's
Mill House (House)   [Map]
504 N. First, Dayton, Washington
Snake River Bridge (Bridge)   [Map · Street View]
N of SR 12, Lyons Ferry, Washington
Also known as: Lyons Ferry
South Side Historic District (District)   [Map]
Roughly bounded by Clay, Third, Park, and First Sts., Dayton, Washington
Washington Street Historic District (District)   [Map]
Roughly Washington St. between Patit Creek and Third St., Dayton, Washington