News reports from local agencies in South Dakota are reporting that the famous "Full Throttle" -- which bills itself as the world's largest biker bar -- was engulfed in flames as of early this morning.

According to reports and tweets, the structure appears to be a total loss.

UPDATE: More reporting from the scene via the Rapid City Journal.
No injuries, thankfully, have been reported as of 7:00 A.M. local time.