Once a month, Pendleton’s historic 1800s Shamrock Card Room comes to life as a real bar, where drinks are served by corset-wearing saloon girls and bow-tied bartenders. The bar, which closes at a respectable 7 p.m., is owned and operated by Pendleton Underground Tours, a nonprofit founded in 1989 by a group of locals eager to show off their town’s (sometimes seedy) Old West history. “Pendleton was the entertainment capital of Eastern Oregon, hosting some 32 bars and 18 bordellos on within one bl