Is this overgrown site the location of secret satanic rituals? No.
According to an article in the May 26, 1988 edition of the Oklahoma Journal Record, a 6.5 million dollar national memorial for the U.S. Marshals was slated to be constructed across from the National Cowboy and Western Heritage Museum in Oklahoma City. However, for reasons unclear (perhaps funding issues), the project was abandoned after only having lain down a circular drive and star-shaped path.