Slettnes Lighthouse - Credit: Wikimedia Commons
Slettnes Lighthouse () is the northernmost mainland lighthouse on Earth. It is located in Gamvik Municipality in Troms og Finnmark county, Norway. It sits along the Barents Sea approximately north of the village of Gamvik on the northern coast of the Nordkinn Peninsula, within the Slettnes Nature Reserve. The lighthouse is the only cast iron lighthouse in Finnmark county. Read more on Wikipedia
Source: en.wikipedia.org