S.I.S.T.E.R.S. AND SIGMA GAMMA RHO, SORORITY INC. is hosting “Buy U A Drink,” an alcohol awareness program. Doors open at 7 p.m. and the event starts at 7:22 p.m. in the Diversions Lounge of the Holmes Student Center. For more information contact Chan Smith at 312-515-8392.

NIU COLLEGE REPUBLICANS is featuring guest speaker state Sen. Brad Burzynski at 7:30 p.m. at the Stevenson North Fishbowl Room. Free food will be provided. For more information contact Andrew Bogda at 847-340-3780.

CAMPUS ACTIVITIES BOARD is hosting “Afro Latin Project” at 7:30 p.m. in the Duke Ellington Ball Room of the Holmes Student Center. For more information contact Christina Calhoun at 815-753-1580.

OUTDOOR ADVENTURES is hosting Maquota State Park spelunking trip Sunday from 8 a.m. to 6 p.m. Sign up at the Outing Centre. The cost is $30. For more information contact 815-753-9423.