Aircraft Aviation Museum
Clark County Historical Museum - Vancouver, WA
Columbia Gorge Model Railroad Club
Evergreen Aviation & Space Museum - OR
Five Oaks Museum
Fort Vancouver National Historic Site
Gilbert House Children's Museum
Gresham Historical Society
Hands On Children's Museum
History Center & Museum
Japanese American Museum of Oregon
John Tigard House Museum
Milwaukie History Museum
National Hat Museum
Newell Pioneer Village
Next Level Pinball Shop & Museum
Oregon Historical Society
Oregon Jewish Museum and Center for Holocaust Education
Oregon Maritime Museum
Oregon Museum of Science and Industry (OMSI)
Oregon Rail Heritage Center
Oregon Sports Hall of Fame & Museum
Oswego Heritage House
PAM CUT - Center for an Untold Tomorrow
Philip Foster Farm Historic Site
Pittock Mansion - Portland
Playforest
Pomeroy Farm
Portland Art Museum
Portland Police Museum and Historical Society
Portland Puppet Museum
Powerland Heritage Park
Rice Northwest Museum of Rocks & Minerals
Smithsonian Museum Day
The Freakybuttrue Peculiarium and Museum
The Hallie Ford Museum of Art - OR
Willamette Heritage Center
World Forestry Center