DeKALB – Ellwood House Museum is opening its doors to two upcoming events, an Evening at Elcourt and Tea Party at Ellcourt. EVENING AT ELLCOURT 7 p.m. to 9 p.m. May 12 at 420 Linden Place, Ellwood House Association will be hosting Evening at Ellcourt. Evening at Ellcourt will give party goers an opportunity to.