Allyson Vieira
Brooklyn artist Allyson Vieira's works "explore the formal and ideological connections between disparate historical periods including Periclean Greece, the Enlightenment, the American and French Revolutions, and Minimalism." small A projects, 1430 SE 3rd, 230-0265, through April 29

The Stranger's Lens
Portland photographer David Lanthan Reamer has created a retro-looking album of vacations, family members, and friends designed to evoke memories of vintage snapshots. Newspace, 1632 SE 10th, 963-1935, through April 2

Unnatural World
According to Boston-based artist Amy Ross, the works in Unnatural World represent an imagined splicing of plant and animal DNA. This grounding interest in science—reflected in drawings and watercolor paintings as exacting as botanical studies—is important to consider in a show that numbers mushrooms and hallucinatory creature combinations among its subjects. JM Motel, NW Couch between 5 & 6, through April 1