Thick as Thieves is a highly-rated speakeasy in Boise that requires guests to find the side door marked with two birds and dial a phone at the top of the stairs for entry. This intimate, dimly-lit establishment serves craft cocktails in a stylish, candlelit atmosphere that creates the perfect setting for a clandestine night out. With an impressive 4.9/5 rating from 358 reviews, it's clearly mastered the art of the hidden bar experience.