This video is no longer available. D.C. tourists visiting the Jefferson Memorial got a treat on Saturday afternoon, when the International Flash Mob of West Coast Swing took over the Tidal Basin.

WAUWATOSA, Wis. (CBS 58) -- Remember flash mobs? Well on Oct. 31, in the lobby of Children's Wisconsin in Wauwatosa, was the second annual flash mob. The CEO and president of the hospital, Gil Peri, ...

Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group created the “most socially distanced office” … in the middle of the East ...

MILWAUKEE (CBS 58) -- Staff members at Children’s Wisconsin threw a surprise flash mob for kids at the hospital. Dozens of “Ghostbusters” were present as Halloween music, costumes and more entertained ...