Located on the original winter quarters of the Ringling Bros. Circus, Circus World presents its annual performance season each summer, featuring a classic American circus performance, magic shows, KidsWorld Circus and much, much more. The historic site also includes: the Irvin Feld Exhibit Hall, featuring a variety of circus history exhibits; the W.W. Deppe Wagon Pavilion, housing the world's largest collection of circus wagons; the C.P. Fox Wagon Restoration Center; and the buildings of historic Ringlingville, a National Historical Landmark. The indoor facilities are open year round. Circus World's Robert L. Parkinson Library and Research Center is the world's largest and foremost facility for documenting and researching circus history (open year-round by appointment).