The Centennial Sculpture Project existed before the utah monolith was discovered but strikes an uncanny resemblance. The “Sentinels” were dedicated on September 6, 2019, and were created by Devin Laurence. These copper-colored "Sentinels" stand 20-feet tall, making them one of the tallest monoliths
It's dedication cited below is apt for the monoliths
It says “here something important happened.” Aptly named “Sentinels,” it pays homage to those who came before – to those whose presence lives on in what they left behind.