Italy
Christiansø Lighthouse (Danish: Christiansø Fyr) is located on the top of the Store Tårn tower on the Danish island of Christiansø, some 18 kilometres (11 mi) northeast of Bornholm in the Baltic Sea. Constructed and brought into service in 1805, it is one of Denmark's oldest.
Listen to the audio guide for Christiansø Lighthouse Free on WIP — starts by itself when you arrive, even with the screen off