mysterious city

The mystery of famous cities thought to be forgotten but suddenly appeared
The explorers found a few
Discovered 7,000-year-old mysterious city underground Egypt
The Egyptian Antiquities Ministry said the country has excavated a 7,000-year-old city (which belongs to the first dynasty of the Nile civilization) in Sohag province.
New discovery about 'White City is full of gold' in Central America
Scientists were extremely surprised by the traces of the mysterious city missing for hundreds of years.
Discovering the city 'alien' thanks to Google Earth?
Recently, UFO hunters claimed they had discovered a city