Hilton Niagara Falls Tower 2

Hilton Niagara Falls/Fallsview Hotel and Suites' North Tower is a skyscraper-style hotel in Niagara Falls, Ontario, Canada. It was originally slated to rise 58 floors to a height of , but the building was subsequently reduced to 53 floors as verified by the hotel operator themselves and the new height has never been publicly released. It has however clearly surpassed the Embassy Suites as tallest building in Niagara Falls and still has more than 500 rooms. It is also the tallest hotel in Canada. 
The CTBUH continues to list the building as being 581 feet tall and still having 58 floors. Skyscraperpage lists the building as being tall with 53 floors. While emporis lists the buildings as being tall with 50 floors. A visual floor count of the building yields only a total of 49 or 50 stories.