There's nothing to do! It's a sentence we hear all too often in the summer months. If you've run out of entertainment ideas, check out the following off the beaten path options. There's bound to be at least one destination you haven't visited yet.

99's Museum of Women Pilots, 4300 Amelia Earhart Road, Oklahoma City (near Will Rogers Airport), 9am-4pm Monday-Friday; 685-9990; $5 adults, $2 children.
Displays are devoted to the role of women in aviation. Perfect for your budding female flyer or adventurer.

45th Infantry Division Museum, 2145 NE 36 Street, 9am-4:15pm Tuesday-Friday; 10am-4:15pm Saturday; 1-4:15pm Sunday; 424-5313; free.
This museum traces the military history of Oklahoma from Coronado through the present. A few of the unusual items on display include pieces from Hitler's tea service and a cape removed from the German leader's Munich apartment by Allied troops. Surrounding the museum is a 12-acre park featuring a variety of military vehicles, weapons, and aircraft.

Oklahoma Railway Museum, 3400 NE Grand Blvd., Oklahoma City, 10am-5pm Saturdays; 424-8222; free.
The museum houses a collection of railroad cars, trolleys, and structures reflecting the heritage of railroad and street rail transportation in Oklahoma during the 19th and 20th centuries. Demonstration trains offer rides on the third Saturday of each month. Call for train schedule and ticket information.

Oklahoma Firefighter's Museum, 2716 NE 50, 10am-4:30pm daily; 424-3440; $4 adults, $2 children, preschoolers admitted free with parents.
Owned and operated by Oklahoma firefighters, this museum displays antique fire trucks and the tools and machinery used to fight fires since 1736. Oklahoma's first fire station is also housed in the museum-the wooden structure was built in 1869 at Fort Supply and held a hand-pulled hose cart.

Amateur Softball Association National Softball Hall of Fame and Museum, 2801 NE 50, Oklahoma City, summer hours: 8:30am-4:30pm Monday-Friday; 10am-4pm Saturday; 1-4pm Sunday; 424-5266; $6 adults, $3 children.
The museum pays tribute to the greatest athletes in the game of softball.

Timberlake Rose Rock Museum, 419 S Highway 77, Noble, 10am-6pm Tuesday-Friday; 10am-4pm Saturday; 872-9838; free.
This small museum houses the largest known collection of our state rock. The huge formations of overlapping sandstone are sure to excite any budding rock hounds.

Little River Zoo, just south of Highway 9 on 120 Avenue SE, Norman, 10am-5pm daily; 366-7229; $6 adults, $4 children 3-11 and children 2 and under free.
Visitors to the zoo receive a guided tour of the facility and learn the personal history of each animal on display. From domestic sheep to Capuchin monkeys, the guides offer information not only about the animal species, but about the specific animal. Nearly all of the animals on display were former pets or research projects. Hearing their stories reminds guests of the enormous responsibility of pet ownership and may make some reconsider an exotic pet.

Express Clydesdale Ranch, 12701 W Wilshire Blvd., Yukon, 11am-6pm Tuesday-Sunday; 350-6404; free.
Owned by Robert Funk, founder and CEO of Express Personnel Services, these distinctive horses stand about six feet tall at the shoulder. Call before visiting to be sure the horses are not touring.

Mabee-Gerrer Museum of Art, 1900 W MacArthur Drive, Shawnee, 10am-4pm Tuesday-Saturday; 1-4pm Sunday; 878-5300.
The Etruscan Treasures exhibit, on display through October, features 200 pieces of gold jewelry and marble artifacts that have never before been displayed in the United States. The items come from the collection of Italian Prince Fabrizio Alliata and the Vatican. The museum in Shawnee is the only scheduled venue for the exhibit in this country. Special admission fees apply for Etruscan Treasures: $14 adults, $12 seniors, $10 children; children 5 and under are free. Ticket prices include an audio tour of the exhibit and admission to the museum's permanent collection.

Bison Alert: A herd of more than 100 buffalo have invaded Oklahoma City. But don't worry; they're well-behaved fiberglass sculptures that are part of a public art, civic pride, and conservation project aimed at honoring Oklahoma's state animal while raising funds for the Nature Conservancy. The Spirit of the Buffalo exhibit allows local sponsors to purchase a buffalo painted by a local artist for display at the sponsor's choice of location. The buffalo sculptures are on display through September in downtown, Bricktown, and Metro locations. For details, visit this web site.

Travel in Style
The Water Taxi in Bricktown is a great way to maneuver our city's hippest area. Narrated tours last 40 minutes and once you purchase your tickets, you can ride through the canal area all day. Tickets ($6.50; $1 for age five and under; $5.50 for seniors) are available online at the Oklahoma City page of www.watertaxi.com and at their ticket booth, across from the third base entrance of The Brick ballpark. Taxis run from 10am-11pm, later on weekends. Private charters for parties are available too. Rates for exclusive use of the taxis for up to 40 people per taxi begin at $147. For more information, visit them online or call 234-8263.

Try the Oklahoma Spirit Trolley's purple line adventure route, stopping at the State Capitol, the National Cowboy and Western Heritage Museum, Omniplex, the Zoo, Tinseltown Cinema, the Firefighters Museum, the Softball Hall of Fame, and Remington Park. The trolley operates from 10am-6pm daily. Rides are $1; all day passes for unlimited rides on all trolley lines are $2; children six and under ride free. Edmond also has a trolley-The Eddy serves primarily the downtown and University of Central Oklahoma areas. For more information on all trolleys, call 235-RIDE.

Gayleen Langthorn is a mother of two and a freelance writer in Oklahoma City. She holds a BA in journalism from the University of Central Oklahoma and her work recently appeared in the Houston Chronicle.