The Booth Western Art Museum's spectacular south entrance at night. The Cartersville museum is celebrating its 10th anniversary. “I’ll run across folks in Atlanta who will say, ‘Yeah, I’ve heard of that and somebody told me it was cool, and I’ve been meaning to get up there.’ And I’ll tell them, ‘I understand, it’s been a busy 10 years,’ ” Seth Hopkins, the Booth’s executive director, wryly recounted.