Mentioned by Trip101
Top 9 Entry-Free Museums In Edinburgh, the UK
"Discover Scotland’s rich and turbulent history with six levels dedicated to the different periods of the country’s history. The museum houses over 20,000 artefacts that will take you on a fascinating journey through time. Learn how Scotland became the country it is today by delving into the kingdom it used to be, its journey with industrialisation, and the modern period today — all under one roof."