Some of the best log rollers in the midwest will compete for world ranking points and bragging right at Lake Calhoun. Viewers will witness world champions Lizzie Horvitz and Brian Duffy competing in the elite pro division, and agile youths will also have their turn at besting opponents.

The Minnesota History Center exposes the unmentionables worn by generations past, from 1920s flappers to 1970s modsters. The exhibit features photos, advertisements and product samples of Munsingwear Inc., shown in conjunction with a new book, "In the Mood for Munsingwear" by Susan Marks. Learn about the company's history and see a slide show of vintage advertising.