The Mid-America Paleotological Society’s yearly Expo in Iowa City, Iowa is the Largest Fossils Only Show in the World! Learning lectures, exhibitions and activities! And FOSSILS!
The Hotel Show is for the minerals, etc.
Here is the PDF for the April 10-12 Expo!
http://www.bluffcountryfossils.net/blog/wp-content/uploads/2015/02/MAPS-2015.pdf