Now isn't this charming! The iconic scene when Calvin and his sidekick tiger Hobbes walk across a log bridge first appeared in the book The Calvin and Hobbes Lazy Sunday Book. It's emblematic of the two having a deep conversation while enjoying the outdoors in typical kid fashion, and has been used for memes ever since.
LEGO artist Simon Liu built this recreation for a contest titled What I Love About Nature. Click to the right on the Instagram post to see it from different angles. He says he might make a larger and more detailed version in the future. Read more about the artwork at The Brothers Brick.