Engineer Mr. I. Magination leads child guests to Imagination Land to meet real circus lion tamers, test pilots.

One of the earliest children's shows in American television. The host was the train engineer Mr. I. Magination (played by Paul Tripp). He led groups of child guests into boarding a train and traveling to Imagination Land, where they would meet professionals from unusual occupations. The professionals invited to appear in the show included real-life circus lion tamers, test pilots, etc.—Dimos I