Photo: Daniel Schwen, CC BY-SA 4.0 Free historic sites in Seattle
Photo: Daniel Schwen, CC BY-SA 4.0 
Photo: Photo by Liesl Matthies, CC BY-SA 3.0 Gas Works Park
Free, always
Photo: Diego Delso, CC BY-SA 4.0 Klondike Gold Rush National Historical Park
Free, always
Photo: Toohool, CC BY-SA 4.0 Pioneer Square
Free, alwaysUniversity of Washington Quad
Free, always
Photo: Joe Mabel, CC BY-SA 3.0 Hing Hay Park
Free, always
Photo: Dllu, CC BY-SA 4.0