Griffin Television Tower Oklahoma
Griffin Television Tower Oklahoma (also known as KWTV Mast) was a 480.5 metre (1,576 ft) high guy-wired aerial mast for the transmission of two television stations in Oklahoma City, Oklahoma, United States (Geographical coordinates: ) built during 1954. The stations which transmitted from the tower were KWTV-DT and KETA. It was the tallest structure in the world at the time it was built, and it was the first structure to surpass the Empire State Building in height. The tower featured multiple levels of double guy wires to protect it against severe wind storms. During 1956 KOBR-TV Tower in Caprock, New Mexico, became the world's tallest structure. The tower was deconstructed during 2015.
- "Listing 1010943". Antenna Structure Registration database. U.S. Federal Communications Commission.
Empire State Building
| World's tallest structure
1,576.4 ft (480.5 m)