Our next stop on 66 is Shamrock, TX... The CONOCO Tower Station and U-Drop Inn Café On the corner of 101 East 12th St. (intersection of US Highway 84 and Historic Route 66). (Shamrock TX) Listed in the National Register of Historic Places The "Conoco Tower Station" is an iconic and unique Art Deco landmark crowned by a 100 foot tower located six blocks from Shamrock's commercial center. Disney - Pixar spotted the building and included it in their 2006 movie, Cars, styling the "House of Body Art", the business of the character Ramone after the Conoco gas station.