It also marks the time when Amarillo’s oldest cemetery opens for tours. Llano Cemetery has been a part of Amarillo since 1888 and is the oldest cemetery in the Yellow City. Amarillo's Llano Cemetery is on the National Register of Historic Places. Llano Cemetery Llano Cemetery is the oldest cemetery in Amarillo. The Texas Legislatture approved the Llano Cemetery Association charter on November 12, 1921 the same day Judge Browning was laid to rest in Llano Cemetery.