Run for your life: San Diego’s all-outdoor haunted attraction, The Haunted Trail, returns this Halloween season to Balboa Park. When the sun goes down tonight, take a stroll you will never forget. The Haunted Trail is located at Marston Point, just east of 6th and Juniper in Balboa Park. Tickets are $12.99 at the gate. The Haunted Trail runs through Nov. 1. For more information, call (619) 231-0261.

And if that’s too scary…:The San Diego Wild Animal Park’s “Roar and Snore” overnight camping adventures end Oct. 24, so take advantage of the opportunity before winter hits Escondido. Bring your sleeping bag, camera and walking shoes to the Wild Animal Park’s Kilima Point, overlooking the 100-acre East African Plains Exhibit and its exotic residents, including giraffes, rhinos and elephants. Adult tickets are $126, or $106 for children eight to 11 years old. Reservations can be made at (619) 718-3050.

Jazz masters: The Chris Klich Jazz Quintet performs at Claire de Lune from 8:30 to 11:30 p.m. Klich is a San Diego native who holds a degree in Jazz Studies from UCSD. As if playing the alto, soprano and tenor sax weren’t enough, Klich also plays the clarinet and the flute. His group includes Alan Worthington on guitar, Susan Murray on bass, Pete Woods on drums, and vocalist Laura Preble. Named #1 Audience Favorite Jazz Band in the UT reader poll, the quintet will play jazz classics and standards. Admission is free, but a $5 donation is requested. For more information, call (619) 741-6761.

Horsepower at the fairgrounds: Motorcycle Weekend kicks off at the Del Mar Fairgrounds with the Concourse d’ Elegance, from 10:00 a.m. to 5:00 p.m. in the exhibit hall. Sunday’s Del Mar Mile Motorcycle Race gets these bikes moving, from 10:00 a.m. to 6:00 p.m. For tickets, call (619) 220-TIKS.

AIDS Walk 2003: Put on them comfy shoes and walk for a cause other than Sunday brunch today. AIDS Walk San Diego is the city’s largest one-day HIV/AIDS fundraiser. Many local agencies rely on funds raised at the annual Walk to provide care and prevention programs for men, women and children living with HIV/AIDS. The festivities will begin at 7:00 a.m. with registration at the corner of 6th and Olive streets in Balboa Park. The 5K (3.1 mile) walk kicks off at 8:00 a.m. After the walk, participants can enjoy a festival that includes live entertainment from Ruby and the Red Hots, and Theo and the Zydeco Patrol, a Kid’s Fun Zone, food, merchant booths, and free HIV-screening. For more information, call (619) 291-9255.

Last chance for Degas: San Diego’s contemporary dance company, McCaleb Dance, celebrates the recently closed exhibition Degas in Bronze: The Complete Sculptures. Tonight at 8:00 p.m. is the first of three weekend performances highlighting Degas’ love of dance. San Diego’s Museum of Modern Art James S. Copley Auditorium will be transformed into an intimate Paris-style café setting for the weekend. Tickets are $18 for members, $20 for nonmembers, and $10 for students with current ID. For more information, call (619) 232-7931.

He always knows his place: Tom Jones brings his schmaltzy style and grace to Humphrey’s Concerts by the Bay tonight and tomorrow night at 8:00 p.m. Help him build a mountain from a little pile of clay. Tickets are $60. For more information, call Humphrey’s concert line at (619) 523-1010.

A show with balls: Yes, it’s true: the international smash hit Naked Boys Singing! makes its national tour debut in San Diego tonight, at the newly renovated Spreckels Theatre. A musical comedy revue, Naked Boys Singing! features an original score of 16 songs celebrating the splendors of male nudity. The Off-Broadway hit premiered in New York in 1999, and has been playing to near sell-out audiences every night since. You’d better get your tickets quickly, because the Boys are only in town until Oct. 12. Tickets can be charged by phone, at (619) 220-8497, or purchased at the Spreckels box office.

Show your balls and vote: Remember to vote today! Important initiatives are on the ballot: Proposition 53 is a public works initiative allocating money for state and local infrastructure projects, and Proposition 54 seeks to eliminate the gathering of racial data by state and local governments. The recall of Governor Gray Davis will also be decided today; yes, your vote counts.

Dizzying heights, buzzing insects and underwater worlds: You’ve been meaning to treat yourself to the IMAX experience for quite awhile – you just keep forgetting to go. Hurry up and see this season’s IMAX documentaries at the Ruben H. Fleet Science Center in Balboa Park before they are gone. Kilimanjaro: To The Roof of Africa, a documentary charting five determined hikers climbing Mount Kilimanjaro, Bugs!, about, well, creepy-crawly bugs, or Coral Reef Adventure, where underwater filmmakers document their travels from Fiji to Tahiti. For show times, call (619) 238-1233.

Calling all beer snobs: Start the weekend early with dinner and pint at the Liar’s Club Bar and Grill in Mission Beach. On tap this week: Bear Republic’s Racer Five IPA, Alaskan Amber Ale, Alesmith Evil Dead Red, Grand Cru Strong Ale and Old Numbskull Barley Wine. If you’re lucky, there will still be some Ballast Point Double IPA and Russian River Damnation left. The names alone should excite your taste buds, but if not, go for the Stone Smoked Porter cheesecake or the beer-battered catfish with sweet potato fries. The Liar’s Club is located at 3844 Mission Blvd. Call them for further information, at (858) 488-2340.