Shamrock Hotel, Houston, Texas
Photo from an old postcard.
Reverse reads: The Shamrock in the exclusive McCarthy Center, Houston, Texas. America's magnificent hotel on 15 landscaped acres in the shape of a triangle - all rooms with combination tub, shower - Radio-Television connection in every room - 12 corner rooms on each floor - garage to accommodate 1000 cars - Olympic size swimming pool - parking facilities for everyone.
The building was torn down in 1987.