— By Sarah Schanke — Designer replicates Tujague’s iconic Mardi Gras flair down to the last detail. Tujague’s, an iconic French Quarter fixture of the New Orleans cultural landscape, has been serving culinary delights to customers for more than 160 years. To stay viable, the owners of the beloved establishment made the difficult decision to relocate the restaurant four blocks upriver. The nation’s third-oldest restaurant now occupies three floors with balconies overlooking the Big Easy steamboats cruising the city’s Mississippi River harbor each day. “A favorite of …