Nightmare on Bourbon Street

The rooftop of Sienna Mercato will transform to a New Orleans voodoo masquerade. There will be ghoulish cocktails and food — cajun and creole bites — served from 6 to 10 p.m. 21+.

Where: Sienna Mercato at 942 Penn Ave. (Central Business District)

When: October 29, 2016 at 4:00 p.m. to October 30, 2016 at 2:00 a.m.

How much: Free