Lights out. DISCUSS Dialog in the Dark What: Pitch-black sensory tours led by visually impaired guides will blow your mind and get you thinking. Why: Like the blind leading the seeing. When: Mon.-Sun., 9 a.m.-8 p.m. Opens Sat. Where: 265 18th St., 2nd flr., Atlantic Station (866-866-8265). BRUNCH Sunday Sessions at Artistry What: Bottomless mimosas, a breakfast buffet, and live DJ. Why: Keep your head up. When: 11 a.m.-4 p.m. Where: 942 Peachtree St., Midtown (404-888-0101). SLURP Smyrna Hops & Barley Beer Tasting What: Zucca pizza, Atkins Park bar bites, and more than 100 world brews at the outdoor festival. Why: Labor Day was almost called Keg Stand Day. When: Sat., 1-6 p.m. Tickets online. Where: Smyrna Market Village, 2840 Atlanta Rd., Smyrna (770-435-1887). SEE World Domination TheatreSports Tournament What: Troupes from across the globe compete for improv glory. Why: Go for the gold. And for the Terrapin specials. When: Thurs.-Sat. Schedule and tickets online. Where: Dad’s Garage Theatre, 280 Elizabeth St., Inman Park (404-523-3141 ext. 201). AVOID Hard Labor What: There’s a shade tree with your name on it. Why: You’ve lost the cooler with your name on it. When: Kiss it, Monday. Where: This side of the three-day weekend.