09.18.10 TOUR DES FLEURS $40-$55 The Dallas Arboretum offers plenty of ways to get active this month during its Tour des Fleurs. For competitive runners and walkers, the 20k and 10k races start at 7:30 and 8 a.m., respectively, outside the gates of the Martin Rutchik Concert Lawn. Not an athlete? The Walk in the Garden, presented by Lennox International, is 8-9 a.m. and tours the entire arboretum with several family activities. You can bring strollers, but leave the pooches at home. Stick around after the races for the awards ceremony and a concert by Eagles tribute band Fast Lane. Registration ends Sept. 13. For race details and information about parking, visit tourdesfleurs.com. 8525 Garland Road, 214.515.6500.

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THROUGH 09.24 IMAX FILMS $7 The Museum of Nature and Science presents two IMAX films: “Grand Canyon: River at Risk” explores white water adventures down the Colorado River, “Alaska: Spirit of the Wild” captures Alaskan wildlife on film. Science building, 3535 Grand. 214.428.5555 or natureandscience.org.

09.03, 09.08 & 09.22 POETRY EVENTS FREE Half Price Books hosts three free poetry events: an open mic at 7 p.m. Sept. 3 and workshops at 1 p.m. Sept. 8 & 22. 5803 Northwest Highway. 214.379.8000.

09.04 RITZ REUNION $10 The first Ritz Rock and Roll Reunion Show is 8 p.m.-2 a.m. at Lakewood Theater, featuring special guest Red Leather. Bring a Ritz mug and get $1 drinks 10 p.m.-midnight. 1825 Abrams. 214.821.7469 or lakewoodtheater.com.

09.11 LIBRARYFEST
FREE The Lakewood Library Friends hosts its biggest fundraiser of the year 10 a.m.-4 p.m., featuring a used book sale, children’s activities and live music by singer-songwriter Lu Mitchell, the Ackermans, Mary Ann and Dick Kitchens and Matt Tolentino. 6121 Worth, 214.670.1376.

9.11 ANTIQUE BOAT REGATTA
FREE The Corinthian Sailing Club displays antique mahogany boats from the 1930s-1950s during its annual regatta. The boats, owned by members of the Wooden Boat Association, are examples of what once sailed on the lake. A flag display honors victims of the 9/11 attacks. The event is 9 a.m.-3 p.m. on White Rock Lake. woodenboatassociation.com.

09.18 SURFIN’ STA
FREE St. Thomas Aquinas at Mockingbird and Abrams hosts a beach-themed festival at noon, featuring bingo, a boardwalk, talent show and raffle, and other activities. 6306 Kenwood, surfinsta.com.

09.18-11.14 AUTUMN AT THE ARBORETUM
$7-$10 The Dallas Arboretum kicks off the fall season with its Storybook Pumpkin Village. The event features four walk-through houses made completely out of pumpkins, representing children’s books. Admission is $10 for adults, $9 for seniors, $7 for children 3 and older, and free for children 2 and younger. 8525 Garland Road. 214.515.6500 or dallasarboretum.org.

09.18
SANTA FE SAFETY FESTIVAL
FREE The Santa Fe Neighborhood Crime Watch and City of Dallas Code Compliance host the Unity in the Community Festival, 11 a.m.-3 p.m. The event features a fire engine, SWAT vehicle, mounted horses, motorcycles and a helicopter flyover. Old East Dallas Work Yard Park, 4900 Alton. 214.306.1796.

09.17-10.24
MISS NELSON IS MISSING!
$12-$23 In this play adapted by Jeffery Hatcher, a classroom of unruly children takes advantage of Miss Nelson’s good will, and when she goes missing, the kids must find her or endure the terrifying substitute, Miss Viola Swamp. Dallas Children’s Theater, Rosewood Center for Family Arts, 5938 Skillman. 214.978.0110 or dct.org.

09.17 BOOK CLUB
FREE The Lakewood library hosts its monthly book discussion group at 3 p.m., talking about works of critical acclaim and award winners. 6121 Worth, 214.670.1376

09.25 DADA 25TH ANNIVERSARY
FREE-$15 The Dallas Art Dealer Association celebrates its 25th anniversary with free Fall Gallery Walks 2-4 p.m. at all of its member locations, including the Bath House Cultural Center. Before that, you can catch one of DADA’s panel discussions for $15 each — “How to Start an Art Collection,” 10:30 a.m., and “How to Photograph Your Art”, 1 p.m. 521 E. Lawther. 214.670.8749 or dallasculture.org.

09.28-10.17
SHREK THE MUSICAL
$29-$133.50 Dallas Summer Musicals presents “Shrek the Musical” during this year’s State Fair of Texas. Based on the book by William Steig and the first chapter of the movie series, the production follows the loveable ogre on his adventure to reclaim the deed to his land. Tickets are honored as admission to the fair, and are available at ticketmaster.com. Music Hall at Fair Park, 909 First. 214.565.1116 or liveatthemusichall.com.