This maps shows how many times a sitting U.S. president has visited each European country since the dissolution of the Soviet Union which happened on December 26, 1991. Five people have held the title of President since that date:
The Number of Top 500 Universities Per 1 million Residents in the United States:
The map displays the number of hours the average worker needs to work to afford an average one-bedroom rental unit.
These enclaves/exclaves are located along the border of the European countries of Belgium and Germany, just south of the city of Aachen. Here is an example of what these borders actually mean at some locations: