adventure rib rides Intimate whale-watching excursions and more onboard a Navy SEAL Rigid Inflatable Boat (R.I.B.) with U.S. Coast Guard Captain Ken Manzoni. 619.808.2822.

BALBOA PARK Free tours about history, architecture, horticulture and botanical gardens. Call for schedule. Visitors Center, House of Hospitality, 1549 El Prado, Balboa Park, 619.239.0512. Map P17 www.balboapark.org

Biplane, Air combat & Warbird Adventures Among the airborne tours offered are gentle or thrilling coastal biplane rides for two, you-fly-it air combat, loops and rolls in a WWII warbird. Montgomery Field, 760.930.0903. Map U23

CITYPASS Discount combo packages for the San Diego Zoo, Wild Animal Park, SeaWorld, Universal Studios Hollywood, Disneyland and Disney’s California Adventure. $269 (kids $229). 888.330.5008, citypass.com.

CLASSIC SAILING ADVENTURES Take to the sea with afternoon and sunset sails for two to six passengers, plus whale-watching excursions. 1740 Quivira Way, Mission Bay, 619.224.0800. Map K9

COACH AMERICA SAN DIEGO Daily tours of all attractions in San Diego and Mexico. Charter minibuses, fully equipped passenger coaches. 3888 Beech St., downtown, 800.331.5077. Map P16

CORONADO HISTORICAL ASSOCIATION TOURS History and architecture walking tours including the Hotel del Coronado. Reservations required. 1100 Orange Ave., Coronado, 619.437.8788. Map L11

CORPORATE HELICOPTERS Great views of La Jolla and downtown from the comfort of a private helicopter. Montgomery Field, 800.345.6737. Map H11

DESTINATION TEMECULA Door-to-door excursions to Temecula Wine Country, including wine tastings, complimentary wine glass, lunch and free time in Old Town Temecula. 28475 Old Town Front St., Temecula, 800.584.8162. Map A2

GASLAMP QUARTER HISTORICAL FOUNDATION A two-hour walking tour of the Gaslamp, Saturdays at 11 a.m. $8–10. 410 Island Ave., Gaslamp, 619.233.4692. Map R1

Hike Bike Kayak San Diego's first and largest kayaking, biking and sports outfitter, specializing in kayak tours, bike tours, surfing lessons and other area adventures. 2246 Avenida de la Playa, La Jolla; 819 1/2 San Fernando Place, San Diego, 866.425.2925. hikebikekayak.com

HORNBLOWER CRUISES Daily narrated tours of San Diego Bay, plus dinner cruises, yacht charters, weddings and events. 1066 N. Harbor Drive, Broadway Pier, Embarcadero, 619.686.8700. Map Q14 www.hornblower.com

OLD TOWN TROLLEY TOURS OF SAN DIEGO Narrated sightseeing tour explores San Diego and Coronado via trolley or “SEAL” (sea and land vehicle). On-and-off boarding privileges. Call for nearest pickup point and reservations. 619.298.8687.

SAIL SAN DIEGO Enjoy San Diego Bay on afternoon and sunset sails. Snacks, drinks included. Customized accommodations available. 2051 Shelter Island Drive, Shelter Island, 619.297.7426. Map K9

SAN DIEGO CHINESE HISTORICAL SOCIETY Walking tour of the Asian Pacific Historic District. Second Saturdays, 11 a.m. Reservations required. $2. Chinese Historical Museum, 404 Third Ave., downtown, 619.338.9888. Map R16

SAN DIEGO HARBOR EXCURSIONS Daily narrated tours of San Diego Bay plus brunch and dinner cruises, water taxi and more. 1050 N. Harbor Drive, Embarcadero, 800.442.7847. Map Q14

SEAL TOUR This unique amphibious tour explores San Diego Bay and its environs. Departs daily from Seaport Village. 619.298.8687. Map Q15

SKYY LIMOUSINE Upscale limousine and sedan service for the savvy traveler. Call for reservations. 1310 K St., Gaslamp, 619.239.SKYY. Map R17

UNIVERSO BAJACALIFORNIANO Guided bus tours explore the natural beauty of Baja, from cave paintings to historic missions to whale watching. 011.52.646.178.2232.

urban safaris Weekend walkabouts of San Diego neighborhoods (or by appointment). 619.944.9255.

where you want to be tours Scavenger hunt explores downtown S.D. Walk and bike tours also available. 619.917.6037.

Xplore Offshore Personalized ocean-rafting on a Navy SEAL-style boat: high-speed sightseeing, snorkeling and evening cocktails on the waterfront. 858.456.1636.