https://www.dailymail.co.uk/news/article-8986163/Mysterious-monolith-Utah-desert-2016-Google-satellite-images-show.html

The Mystery of the Metal Monolith: Obelisk found in Utah desert has been there for YEARS, according to Google Earth - sparking theories it could be the work of extraterrestrial guests or late minimalist artist John McCracken

https://dpsnews.utah.gov/dps-aero-bureau-encounters-monolith-in-red-rock-country/