9 a.m., July 23
Discover San Diego Map Adventure
Teams "visit hidden treasures, historical landmarks, and a few quirky oddities," with checkpoints scattered from Gaslamp Quarter to Old Town and from Coronado to Balboa Park. Go on foot or on bike. Use custom maps to plan 2-, 4-, or 6-hour routes. [email protected] or 510-681-6181.
- When: Sunday, September 30, 2012, 8 a.m. to 3 p.m.
- Cost: $10 - $60