Over time, construction costs have increased mightily, but what are the most expensive buildings ever put together? The team at Decorative Ceiling Tiles did the research to find out, as this new infographic shows off the 30 most expensive buildings ever constructed. Topping the list, with a total construction cost of $100 building (which would equate to $115.2 billion today) is the Great Mosque of Mecca, which is located in Mecca, Saudi Arabia and actually began construction back in the year 638, and had renovations done to it in as recently as 2020! Of these 30 most expensive buildings from around the world, have you visited any?
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