Niccolo Scuriatti, 8, left, enjoys a burger at Z Burger. (Kevin Clark/THE WASHINGTON POST)

Z-Burger’s Tenleytown location will offer the freebies between 10:30 a.m. and 10 p.m. Monday. Workers must show a federal ID. Know of any other shutdown deals that are still on? Leave them in the comments below. Also check out #shutdowndeals on Twitter.