New Building Takes US Tallest Building Title
![1 World Trade Center in New York is the tallest building in the United States, measuring 541.3 meters tall.](https://gdb.voanews.com/a66e7cfb-9bd3-426c-ab79-810990bca158_w1024_q10_s.jpg)
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1 World Trade Center in New York is the tallest building in the United States, measuring 541.3 meters tall.
![The Willis Tower, formerly known as the Sears Tower, in Chicago, Illinois is 442 meters tall.](https://gdb.voanews.com/e745140d-db22-48a3-9846-1e3957421fc2_w1024_q10_s.jpg)
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The Willis Tower, formerly known as the Sears Tower, in Chicago, Illinois is 442 meters tall.
![The Burj Khalifa in Dubai, United Arab Emirates, is the tallest completed building in the world and measures 828.14 meters.](https://gdb.voanews.com/2eb0ccb2-a309-4161-9547-e859b006b50c_w1024_q10_s.jpg)
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The Burj Khalifa in Dubai, United Arab Emirates, is the tallest completed building in the world and measures 828.14 meters.
![The Abraj Al-Bait Tower, also known as Makkah Royal Clock Tower Hotel, in the Saudi holy city of Mecca, is the second tallest completed building in the world at 601 meters tall.](https://gdb.voanews.com/5c6b97dc-12b1-416c-a1f1-b57ffa15b975_w1024_q10_s.jpg)
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The Abraj Al-Bait Tower, also known as Makkah Royal Clock Tower Hotel, in the Saudi holy city of Mecca, is the second tallest completed building in the world at 601 meters tall.