Ocean Tower

Ocean Tower SPI was an unfinished, 31-story residential skyscraper in South Padre Island, Cameron County, Texas, United States, that was imploded when it was deemed unsafe to remain standing. Construction was halted in May 2008 when cracks formed in the building's supporting columns, and investigations revealed that the core of the skyscraper had sunk by more than 14 inches (360 mm). Though the developers initially vowed to fix the problem, studies discovered that repairs would have been too expensive, and plans for its demolition were announced in September 2009. At the time of its controlled implosion in December 2009 the building weighed 55,000 short tons (50, 000 t), and it was the tallest reinforced concrete structure to be demolished in that way. It was nicknamed "Faulty Towers" and "The Leaning Tower of South Padre Island".

Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).