Top 5 Most Mysterious Monuments on Earth
Newgrange, Ireland: According to Irish traditions, Newgrange is the home of The Dagda.
Persepolis, Iran: Once the capital during the Archaemenian dynasty of Iran.
Hegra, Saudi Arabia: As the first UNESCO World Heritage Site in Saudi Arabia, Hegra akak Mada’in Saleh holds high esteem.
Hvalsey, Greenland: Built around the turn of the 14th century, Hvalsey’s ruins stand on the southern coast of Greenland.
Derinkuyu Underground City, Turkey: At its height, the Derinkuyu Underground City in Turkey had a population in excess of 20,000 people.