Mentioned by Edinburgh 2 days itinerary
2 Days In Edinburgh: The Perfect Edinburgh Itinerary
"Visit the Free Museums in Edinburgh on the Royal Mile Since you’re on the Royal Miles, you should definitely take advantage of the many free museums that you can find along it’s length. Some of our favourites include the Edinburgh Museum, the Writers Museum and the Museum of Childhood. You can read much more about what is in each of these museums and why you might want to visit them in Jess’s excellent post on the highlights of Edinburgh."