In the summers I work at a hardcore gym called Rocky Mountain Lifting Club, in Aurora, which is just southeast of Denver. Its in a small warehouse in an industrial park, with corrugated tin walls, NO mirrors, lifting platforms, bumper weights, chalk bins, chains, boards, a shitload of strong-man equipment, and some of the strongest motherfuckers in the nation lurking in the powerracks.
The owner of the gym is Dan Gaudreau, a former world-record holder in the bench press through USAPL. There is another member who is a world-record bench press holder through another organization. Seija Hackl, a world-record holder in some olympic lifts, trains there as well.
ALl in all, its a badass gym. There are very few members, so the gym is never busy...a lot of times you might have it all to yourself.
You should definitely check it out.