Ancient Greek architecture can be seen throughout the entire world! For example, the ancient Greeks were known for developing three different styles of columns put at the front of buildings. These styles included Doric, Ionic, and Corinthian. The Ionic style of columns can be seen on the front of the White House (where the US President resides), the US State Capitol, and the US Supreme Court House.
Besides American architecture, the Ancient Greeks helped to inspire the Roman empire as well. The famous styles of columns created by the Greeks resulted in Romans taking their ideas and modifying them. This is why famous Roman buildings (like the Roman Colosseum) have a similar look/structure when compared to Ancient Greece monuments.