The world's tallest structure was a TV towerSourced
The world's tallest structure
once belonged to a local TV station.
A North Dakota station completed a transmission mast in 1963, about 590 meters high with a roughly 34-meter antenna on top. When broadcasting began from it in 1964, it was the tallest structure in the world, built to extend TV coverage across the region.
A broadcast signal
set a height record.
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Reviewed: 2026-10-01