The North Star Underground Railroad Museum in Ausable Chasm will open Feb. 16, 17 and 18 in celebration of Presidents' Day Weekend and Black History Month. Exhibits feature stories of fugitives from slavery and the abolitionists who assisted them on the Lake Champlain Line of the Underground Railroad. Open from 9 a.m. to 4 pm. at 1131 Mace Chasm Rd. Right next door to the Ausable Chasm.