Cynthia Kleist’s dioramas have topped our contests through the years, including a pandemic-themed one, “The Do’s and Mostly Don’ts of Zoom Meetings,” that took first place in 2021.

For a bird's-eye view of Gettysburg National Military Park's battlefield, head to the Gettysburg Diorama & History Center. The star of this attraction is its large diorama, which is the largest ...