All field trips are open to the public and most are free. Van trips involve sharing van rental expenses and require a reservation 3 days before the trip. Overnight trips involve additional costs for lodging and travel and also require reservations. In all cases, a contact is noted who can provide additional details. When the meeting place is Tri City Shopping Center, assemble outside the Party City store near US Rt. 19. When the meeting place is Countryside Shopping Town, assemble outside the Sears store near US19. Where there are no bathroom facilities at the field trip site, the trip is marked X; rest stops will be provided en route. For all trips please bring drinking water.