Join Polk County Conservation on a trip to the Platte River near Kearney, Nebraska, to view the migration of nearly 500,000 sandhill cranes. Fee: $150; includes motor coach transportation and lodging (double occupancy), Sunday continental breakfast, and admission fees. Departure from the Living History Farms parking lot on Saturday at 7:00 a.m. and return on Sunday at 5:00 p.m. Minimum age 12. Registration deadline is March 9. To register: www.leadingyououtdoors.org .