American Coaster Enthusiasts (ACE) is a non-profit organization focusing on the enjoyment, knowledge, and preservation of roller coasters as well as recognition of some as architectural and engineering landmarks. Dues-paying members receive the quarterly magazine RollerCoaster! and bi-monthly newsletter ACE News. Amusement parks have also invited members to exclusive ride events at amusement parks as well as sneak peek events at new roller coasters under construction.