The addition of the spire will make it the new tallest building in the Western Hemisphere. Meanwhile, architects around the world are reaching to infinity and beyond with new construction.

Let's take a deep dive into the tallest buildings in the United States, the record-holders in each state and the quirky ...

An curved arrow pointing right. Construction is under way for Spire London which will be the highest residential skyscraper in western Europe. The project is expected to be completed in 2020.

An 800kg piece of rock which is due to be attached to Salisbury ... More than 50 years later the cathedral boasted a 400ft (123-metre) spire - the tallest medieval spire in the country.