Mass bike ride: San Diego Critical Mass will meet for its monthly mass bike ride at Balboa Park’s “big fountain” at 7 p.m. Hundreds of residents ride their bikes through the streets of San Diego, providing motorists, as well as themselves, with a vision of how things could be different. Bring your friends and make new friends. It’s a celebration of cycling! The “big fountain” is located between the San Diego Natural History Museum and the Reuben H. Fleet Science Center beside Park Blvd. in Balboa Park. For more information, visit www.myspace.com/criticalmassride.

‘Moscow’: The Diversionary Theatre presents new musical play Moscow at 8 p.m. Moscow is about three men: Jon, a scholarly playwright who has lost many loved ones to AIDS and has retreated into cerebral celibacy; Luke, a sexually needy male hustler who lives solely for the next fleshly encounter; and Matt, a shy virgin who struggles to balance the conflicting urges of love and lust. Trapped, uncertain if they are alive or dead, the men soon become emotionally embroiled. Admission is $33 with $4 off for students, seniors (60 and above) and military. The Diversionary Theatre is located at 4545 Park Blvd. in University Heights. For more information or to purchase tickets, call 619-220-0097 or visit www.diversionary.org.

DJ Kimberly S: DJ Kimberly S will perform at Spin at 9:30 p.m. Kimberly specializes in soulful house, pulsing tribal beats, trance and vocal club anthems. She is also noted for her exceptional mixing skills and superior set programming and credits her martial arts experience. DJ Luis Perez will also be spinning. Spin is located at 2028 Hancock St. in Mission Hills. For more information, visit www.spinnightclub.com or call 619-294-9590.

‘Diary of a Madman’: John Leguizamo will perform his new autobiographical show Diary of a Madman at the La Jolla Playhouse at 8 p.m. In Diary of a Madman, Leguizamo explodes with energy, taking audiences on a non-stop, fever-pitch adventure, heating up the stage with vivid accounts of where he’s been and the colorful characters who have shaped different facets of his life. From his adolescent memories in Queens, N.Y. to the early days of his acting career and beyond – with stories of the outrageous 80 avant-garde theater scene and anecdotes from major movie sets and roles opposite some of Hollywood’s biggest film stars – Madman is by turns uproarious and heartfelt. Tickets are $30 for single tickets and $15 for students. Madman runs through March 14. The La Jolla Playhouse is located at 2910 La Jolla Village Dr. in La Jolla. For more information or to purchase tickets, call 858-550-1010 or visit www.lajollaplayhouse.org.

Easter lilies: Hundreds of fragrant Easter lilies are on display at the Botanical Building at Balboa Park from 10 a.m. to 4 p.m. Built for the 1915-16 Exposition, along with the adjacent Lily Pond, the historic building is one of the largest lath structures in the world. The Botanical Building plantings include more than 2,100 permanent plants, featuring fascinating collections of cycads, ferns, orchids, other tropical plants, and palms. Admission is free. To view a map and directory to Balboa Park’s Botanical Building, visit: http://alturl.com/jydw. For more information, call 619-239-0512 or visit www.balboapark.org.

Black’s Beach: Enjoy the Memorial Day at Black’s Beach, San Diego’s only nude beach. Black’s Beach is a favorite hangout of local gay men and lesbians – clothed, unclothed and all permutations thereof. It is a two-mile stretch of beach at the base of 300-foot cliffs near University of California, San Diego. Directions to Black’s Beach from Downtown are the following: take the 5 freeway, exit Genesee and head west. Turn left on North Torrey Pines Road. Turn right on Torrey Pines Scenic Drive. After you’ve made the turn, you will see a sign for Torrey Pines Gliderport. Follow that road to the end. At the end is a cul de sac and straight ahead is a driveway to a dirt road with a gate. Pass through the gate, bear left and park. There is a path to the south of parking, set apart by railroad ties. Follow that path, bearing left. Straight ahead you will see a few warning signs. To the left of those, a rugged and steep 10- to 15-minute trail to the beach begins. Once you finished the descent, walk north to the unofficial gay area of the beach, where you will find lots of sunbathers. Remember to bring shoes for the descent. For more information, visit blacksbeach.org or www.blacksbeach.com.

Coffee and Conversation with Cool Women: The Women’s Resource Center is hosting Coffee and Conversation with Cool Women at the San Diego LGBT Community Center at 7 p.m. The monthly event features hostess Tryce Czyczynska interviewing notable women from around San Diego, “Oprah-style.” This month’s guest is local singer/musician Rhythm Turner. Rhythm is well known around San Diego as the lead singer of the popular band Rhythm and the Method and for her dedication to speaking out against hate crimes. This event is free, open to all and will take place in The Center’s library room. The Center is located at 3909 Centre St. in Hillcrest. For more information, e-mail aschwartz@thecentersd.org or call 619-692-2077.

Guys, Games & Grub: The Center hosts Guys, Games and Grub at 6:30 p.m. Guys, Games & Grub is a fun, free, social activity for gay, bisexual and transgender men. The group meets in the auditorium of The Center to play a wide variety of board and card games. Beer, sodas and pizza are served. This event is for men 21 and up. The goal is to provide a fun, casual, social environment for men to relax and make new friends. The Center is located at 3909 Centre St. in Hillcrest. For more information, call 619-692-2077, ext. 204 or visit www.thecentersd.org.

Neon Indian: Neon Indian will perform at the Casbah at 8 p.m. An elusive new project from composer Alan Palomo, Neon Indian delivers equal parts synthetic nostalgia, Dreampop lullabies and grinding guitar noise to create something eerier than the sum of its parts. The group’s recent album Psychic Chasms is a collection of field recordings, record samples and an assortment of bizarre synth sounds. Orbiting around the themes of drug induced heartbreak, weary afternoons and lost chances, this music provides a lush soundtrack to the deadbeat exploits of teenage ennui. Neon Indian has been compared to New Order and Future Bible Heroes. The Casbah is located at 2501 Kettner Blvd. in Little Italy. For more information, call 619-232-4355.

ManCave: ManCave is a new gay club in Downtown that opens at 9 p.m. The evolution of gay night life has arrived! Deep beneath the busy streets of the Gaslamp lies a chic, polished, high-end venue. In a world of constant change ManCave is on a mission to stay one step ahead of the rest. Blending all the energy, appeal and diversity of Hillcrest nightlife, with the glitz, glamour and allure of Downtown, ManCave features local San Diego DJs, two bars, a champagne room and after hours. ManCave is located at 432 F St. in Downtown. For more information, call 619-814-5700 .