Wideford Hill chambered cairn - Credit: Wikimedia Commons
Wideford Hill chambered cairn is a Neolithic chambered cairn on Mainland, Orkney in Scotland. The tomb dates to around 2000 BC, and is similar in design to the Maeshowe chambered cairn on Orkney. Historic Environment Scotland established the site as a scheduled monument in 1994. Read more on Wikipedia
Source: en.wikipedia.org