Oregon

Formerly known as the Mission Mill Museum, the Willamette Heritage Center incorporates several 19th-century buildings from Salem's early pioneer history, which centered around wool manufacturing and Methodist missions.

This covered bridge with red-painted sides was built in 1925 and closed to traffic in 1987. It has been preserved alongside a newer bridge and provided with pedestrian access.

Located near the Willamette Slough in Salem, the McCully/McMahan House was built in the Carpenter Gothic cottage style in 1865. It was owned by several important local figures and moved 2.5 miles in 1962.

Built in 1911, Portland's flatiron-style Crystal Hotel was previously known as Hotel Alma and The Majestic. In the 1970s, it hosted a gay bathhouse and bar. It has operated as a McMenamins historic hotel since 2011.

The Oregon City Bridge, also known as the Arch Bridge, spans the Willamette River between Oregon City and West Linn, Oregon. Designed by Conde McCullough, it was completed in 1922.

Formerly known as the Portland Public Theater and Paramount Theater, the Arlene Schnitzer Concert Hall was built in 1927.

Built in 1878 by Asahel Bush, founding editor of the Oregon Statesman newspaper and co-founder of Salem’s Ladd & Bush Bank, Bush House is now a museum offering free tours.