Things to do nearThe Gum Wall at Unexpected Productions Improv

Post Alley has long served as a pedestrian corridor threading beneath Pike Place Market, but the stretch fronting Unexpected Productions Improv theater gained its peculiar identity in the early 1990s. Theatergoers waiting in line began sticking gum to the brick wall, and what started as an idle habit accumulated into a dense, textured mosaic covering thousands of square feet of surface. The market authorities cleaned the wall twice in its early years, but the gum always returned faster than it was removed, and eventually the practice was embraced as part of Seattle's character. The wall was designated one of the germiest tourist attractions in the world by various travel publications, a distinction that only seemed to increase its appeal.

In 2015 the wall was cleaned for a major overhaul, stripping it back to bare brick, yet within a few days visitors had already begun rebuilding the layers. Today the Gum Wall at Unexpected Productions Improv functions as a living installation, constantly changing as new contributions land alongside older, hardened layers in faded pinks, blues, and greens. Photographers come for the color and texture, couples press gum hearts into the surface, and children study the strange topography with genuine fascination.

The theater itself has operated in Pike Place Market for decades, offering improvisational comedy performances that reflect Seattle's creative, offbeat community spirit. Combining a visit to the Gum Wall at Unexpected Productions Improv with a stroll through the market and an evening show makes for a full afternoon and night rooted in the neighborhood's authentic, lived-in culture.