LYNDORA — A murder mystery dinner show will be presented April 20 at Tanglewood, 10 Austin Ave.

“Robin Hood” will be staged by the Mysteries Most Wanted group at 6:30 p.m. Doors open at 5 p.m. and dinner will be served at 5:30 p.m.

Tickets are $20 and available until April 19. Call 724-287-0021.

SLIPPERY ROCK — Slippery Rock University's Old Stone House pilot program in ghost hunting is continuing with a five-part series beginning Friday.The Old Stone House has teamed with the Center for Paranormal Study and Investigation to bring in those interested in learning the skills and to use appropriate equipment in paranormal investigations.The 2011 programs were sellouts.Sessions will be offered from 8:30 to 11:30 p.m. Friday and May 19, June 22, July 21, Aug. 17, Sept. 29 and Oct. 19.Nonrefundable tickets are $15 and offered on a first come, first served basis. Group size is limited to 20.Call 724-738-4964 or visit www.oldstonehousePA.org.

PITTSBURGH — French artist Henri Matisse's “The Thousand and One Nights,” a large, multipanel, painted paper cutout, will be on view through July 15 at the Carnegie Museum of Art, 4400 Forbes Ave.“The Thousand and One Nights” was created in 1950, when the artist was 81 and confined to his bed.Call 412.622.3131 or visit www.cmoa.org.

MONROEVILLE — Comic book legend Stan Lee will headline a list of industry writers, artists and stars set to appear at Pittsburgh Comicon April 20 to 22. Lee is the creator of hundreds of comic book characters, including Spider Man, the Hulk, the X-Men, Iron Man, Daredevil and Thor.Also scheduled to appear is Peter Mayhew, who played Chewbacca in the “Star Wars” films.The annual event will be held at the Monroeville Convention Center, 209 Mall Blvd. Hours are 1 to 7 p.m. April 20, 10 a.m. to 6 p.m. April 21 and 10 a.m. to 5 p.m. April 22.Admission is $20 per day or $50 for a three-day pass. Children younger than 8 will be admitted free with a paid adult admission.On April 22, Kidz Day, children 12 and younger will be admitted free. For information, visit www.pittsburghcomicon.com.

PITTSBURGH — Single tickets for Pittsburgh CLO's summer season will be available beginning at 9 a.m. Monday.The season will feature “Come Fly Away” June 5 to 10, “A Chorus Line” June 15 to 24, “Annie” June 29 to July 8, “Fiddler on the Roof” July 13 to 22, “Sunset Boulevard” July 24 to 29, and “The Addams Family” July 31 to Aug. 5Shows are at the Benedum Center, 719 Liberty Ave. Tickets start at $10. Half-price tickets for children ages 3 to 14 are available for “Annie” in section E. Call 412-456-6666 or visit www.pittsburghCLO.org.

PITTSBURGH — The Senator John Heinz History Center and the Pro Football Hall of Fame are collaborating on an exhibition focusing on the history of pro football.“Gridiron Glory: The Best of the Pro Football Hall of Fame” will make its national debut at the history center from Oct. 6 through Jan. 6, 2013, before embarking on a nationwide tour. Included are more than 200 artifacts, rare photographs, and one-of-a-kind documents from the Pro Football Hall of Fame collection, many of which have never been seen outside of the Hall of Fame.Artifacts include Jim Thorpe's Canton Bulldogs sideline blanket, Knute Rockne's 1919 helmet, Vince Lombardi's coaching diagrams, Tom Dempsey's kicking shoe, and Tom Landry's hat.“Gridiron Glory” will also feature unique items from Hall of Fame Steelers, including Franco Harris' cleats and Joe Greene's helmet.For more information visit www.heinzhistory center.org.

PITTSBURGH — Phipps Conservatory and Botanical Gardens, Penn State Extension and Shady Side Academy will present the annual Western Pennsylvania Garden and Landscape Symposium on Saturday at the Hillman Center for Performing Arts, 423 Fox Chapel Road.This day of discussions and presentations, as well as opportunities to shop for plants and accessories, is for gardeners of all skill levels.Cost is $115 and covers breakfast and lunch. Registration is available by calling 412-441-4442, Ext. 3925.The garden marketplace portion of the event is free and open from 8 a.m. and 3 p.m.