For detailed Symposium information, see: www.AmericanTrails.org/2008 To see details and prices before registering, click here. To register, fill out the form below. Membership pays! Join American Trails now and save more than the cost of membership on your registration fee! Choose a membership level on the Agenda page and select the discounted registration fee. Online Payment is accepted by credit card (Visa or Mastercard), check, or purchase order.