4. Capitol Visitor Center
Place: USA
Completed Cost: $621 Million
Year Completed: 2008
The United States Capitol Visitor Center (CVC), a subterranean extension of the United States Capitol Complex, is situated between 1st Street East and the well-known Capitol edifice. This well-liked tourist destination has space for up to 4,000 people and acts as an extension of the US Congress.
Capitol Visitor Center ©Shutterstock/Jakub Zajic
However, this building is far from modest: it cost an astounding $621 million and included more than 580,000 square feet of space beneath the three stories. This complex welcomes hundreds of thousands of visitors annually, and activists find it to be a popular destination for political tourism.
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