Jon and Kate take Alexis to a reptile museum, where she gets to spend time with and pet real live alligators -- her favorite! Then, Jon takes Collin, who is fascinated by trains, to the Railroad Museum of Pennsylvania.Jon and Kate take Alexis to a reptile museum, where she gets to spend time with and pet real live alligators -- her favorite! Then, Jon takes Collin, who is fascinated by trains, to the Railroad Museum of Pennsylvania.