Local event listings can be found at B.C. Parent Magazine
There are several places to order baby gear rental (like strollers, cribs, and carseats) if you need it.
Babysitting can be arranged through Nannies On Call
If you plan to drive in Vancouver, be sure to review Local Car Seat Regulations
For information about passport and identification requirements, please visit travel.state.gov Babies and children are subject to the same requirements as adults.