It was originally designed in 1987 to be 1,000 feet tall, Have 3,000 rooms, and have 5 restaurants. The project was supposed to take 2 years, but construction went off and on. Once it was only a concrete shell, it’s ominous presence over the city gave it its nickname ‘Tower of Doom.’ Even after that, it still wasn’t worked on for another 16 years. To this day, it remains the worlds tallest unoccupied structure.