Doors Open Minneapolis will be held Saturday, May 9 and Sunday, May 10. The following venues will be open in Northeast: Saturday and Sunday, 10 am-5 pm, Flux Arts, 2505 Howard St. NE; and Architectural Antiques, 1330 Quincy St. NE. Kramarczuk's Sausage, 215 E. Hennepin, will be open Saturday only 10 am-5 pm. The Ritz Theater, 3445 13th Ave. NE, and the Ard Godfrey House, 28 University Ave. SE, will be open 10 am-5 pm Sunday. All venues are free.