Hidden underneath the Smithsonian museums on the National Mall is a treasure waiting to be discovered — the Smithsonian Latino Center, which has been celebrating Latino culture, spirit, and achievement in America for 10 years, presents a terrific exhibit, Mexican Treasures of the Smithsonian, on display through November 11 at the S. Dillon Ripley Center’s International Gallery. The exhibit pulls together objects from different museums around the city to explore the shared histories and cultural…

MONDAY >> Who can forget T.C. Boyle’s memorable turn in the movie Kinsey? Most of you, probably. Well, look: if you’re an enthusiast of short stories, stop by Olsson’s in Arlington this evening to meet T.C. Boyle, whose recent collection, Tooth and Claw, travels to the four corners of the globe to reveal men and women on the edge of primal fear, weird nature, and the threat of untimely death. 2111 Wilson Boulevard, 7 p.m….

FRIDAY: >> Put on your robe and wizard hat…Harry Potter’s coming to town! The sixth book in the series, Harry Potter and the Half-Blood Prince, will be released tonight at midnight, and don’t think we don’t know. Watch this space for more info on tons of crazy HP events going on around town. For one, Politics and Prose will be hosting a party in their parking lot with magicians, a costume contest with prizes, and…