Project 4 Gallery: “Building” (pictured) shuts its doors for good when the exhibition closes Saturday, July 28, at Project 4 Gallery, 903 U St. NW. Free. (202) 232-4340.

Hemphill Fine Arts: Mingering Mike meanders his way out of town when “Mingering Mike: The Amazing Career of an Imaginary Soul Superstar” closes Saturday, July 28, at Hemphill Fine Arts, 1515 14th St. NW. Free. (202) 234-5601.

Flashpoint: “Trace Evidence” disappears without a trace when the exhibition closes Saturday, July 28, at Flashpoint Saturday, at the Gallery at Flashpoint, 916 G St. NW. Free. (202) 315-1310. Warehouse Gallery: “Art in Heat” goes cold when the exhibition closes Monday, July 30, at the Warehouse Gallery, 1021 7th St. NW. Free. (202) 783-3933.