As of 2013 there have been
three North American Disc World Conventions.
The first was in Tempe, Arizona in 2009. Pictures from that convention are here.
The second was in Madison, Wisconsin in 2011. Pictures from that event are here.
The third was in Baltimore, Maryland, in 2013. Pictures from that convention are being processed but here are some that are done.
2013 Masquerade (2:33)
July 4 Fireworks reception (23:36)
July 4 tourist video (1:27)
July 9 Touring inner harbor and Fort McHenry(15:29)
July 10 Touring inner harbor and science center (2:54)
July 11 USS Constellation Cannon Firing; schools of fish eating at the surface;
Stern Wheeler (3:25)
July 12 USCGC Taney, the last survivor of Pearl Harbor