List of tallest buildings and structures
The world's tallest artificial structure is the Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "Tallest Building in the World" and the tallest self-supported structure at its opening on January 9, 2010. The second-tallest self-supporting structure and the tallest tower is the Tokyo Skytree. The tallest guyed structure is the KVLY-TV mast.
432 Park Avenue
432 Park Avenue officially topped out on October 10, 2014, at making it the second-tallest building in New York City after One World Trade Center and the fifteenth-tallest building in the world. Because much of One World Trade Center's height is in its spire and its base is nearly lower, the rooftop of 432 Park Ave is, , the highest in the city. It surpassed 311 South Wacker as the tallest building in the world known only by its street address.