As the title suggests, the map above shows what Europe would look like if the Mediterranean suddenly switched places with Scandinavia.
The maps above show how Europeans feel about their children being in relationships with people from different racial/religious minorities. (Black, Asian, Muslim and Jewish).
The data comes from the 2015 Eurobarometer report on Discrimination in the EU.
You can see each map in more detail below:
The map above shows which surnames (last names) are most popular in each Italian region. Although, even these surnames only account for around 1% of all Italian surnames due to the huge diversity that exists.
Reddit user medhelan also points out a few other interesting things:
The map above gives a very general overview of the legal status of Jews in various major European countries around the year 1500.
Interestingly, the two European countries with the largest Jewish populations today (France: 465,000; UK: 270,000) both had Jewish bans in 1500.
The map above shows the incredibly strange and complex border between Belgium and the Netherlands at Baarle-Hertog (Belgium) / Baarle-Nassau (Netherlands).
The map above is an Isochrone map which shows how long it would have taken someone to travel from Rome to the farthest reaches of the Roman Empire at its peak (roughly 200 CE/AD).
Travelling within the core of the Empire could have be done in under a week, but travelling all the way to the fringes would have taken someone more than a month.