It’s been a busy few years for photographer Matthew Brandt, whose three solo exhibitions since 2009 earned him a spot on Forbes’s list of 30 Under 30 in Art and Design. His last show, “Lakes, Trees and Honeybees,” held this past summer at New York’s Yossi Milo Gallery, highlighted his work in photographic manipulation; in one series, “Lakes and Reservoirs,” Brandt soaked photographs of lakes in water collected from the subjects themselves, producing widely varied colorscapes. The 30-year-old has continued the series for “Water and Polaroid” at San Francisco’s Highlight Gallery. In addition to his lake-water-soaking technique, he experimented with waterfalls by creating artificial cascades over transparent images of real ones. The series, called “Mystic Falls,” includes Mystic Falls K2Y3M3c4, 2013 (shown above), of the waterfall in Yellowstone. For the “Polaroid” portion of the exhibit, Brandt created color reliefs by scratching the chemical emulsion of a Polaroid by hand. “Water and Polaroid” runs through May 18; 17 Kearny St.; highlightgallery.com.