 Dayton has the oldest train depot (1881) in Washington State and the oldest continuously used courthouse (1887).The historical community of Baileysburg was once located about one mile southeast of Dayton, at the junction of North Touchet and South Touchet Roads.In the 1980s and 1990s, the town underwent a $3 million restoration program, repairing the historic depot and historic courthouse, adding pedestrian amenities to Main Street, and creating a National Historic District.