Abandoned Cities
Often referred to as "ghost towns" or "ruins" a lost city is a settlement that fell into decline, resulting in it's loss of significance to the world at large. Once thriving cities or villages become almost or completely uninhabited thus falling off the map.
Source: Wikipedia
Sanzhi Pod City, Taiwan
Also known as the Sanzhi UFO houses or Sanzhi pod houses, Sanzhi Pod City was a set of partially constructed, abandoned buildings in the Sanzhi District of Taiwan.
Amaya, Spain
Amaya is a small village in the Sotresgudo municipality of Burgos, Spain.
Al Arish, Qatar
Al Arish (Arabic: العريش) is an abandoned village in Qatar, located in the municipality of Ash Shamal. It is one mile south-west of the coastal village of Al Khuwayr.
Karakorum, Mongolia
Karakorum (Khalkha Mongolian: Хархорум Kharkhorum) is the lost capital of the Mongol Empire. You can find the city's ruins to the northwest of Kharkhorin, Mongolia.
Sigiriya, Sri Lanka
Sigiriya or Sinhagiri (Tamil: சிகிரியா) is an ancient rock fortress that served as the capital of Kashyapa I during his rule from around 477 – 495 CE, and is listed as a UNESCO World Heritage Site.
Ciudad Perdida, Colombia
A lost city in Colombia's Sierra Nevada de Santa Marta and is believed to have been built in 800CE.
Daorson, Bosnia and Herzegovina
The capital city of the Daorsi, an Illyrian tribe who lived in the area between 300 BC to 50 BC.
Kowloon Walled City, Hong Kong
Kowloon Walled City was a densely populated enclave that formed in 1898 and was officially demolished April 1994.
Kangbashi New Area, Northern China
The Kangbashi New Area is a vastly underpopulated city district in Inner Mongolia and is considered a modern ghost town by the western .
Teljä, Finland
Teljä was a late Iron Age settlement in the Satakunta province of Finland.
Lyubutsk, Russia
Lyubutsk was a Russian fortress dating back to 1372
L'Anse aux Meadows
L'Anse aux Meadows is the only confirmed Viking settlement in North America, and it can be found on the northernmost tip of the Great Northern Peninsula.
Tulum, Mexico
Tulum (Yucatec: Tulu'um) was a walled, port city of the Mayan Empire found on the east coast of the Yucatán Peninsula of Quinta Roo, Mexico.
Chan Chan, Peru
Chan Chan is an archeological site in the La Libertad region of Trujillo, Peru.
Timgad
Timgad was a city in the Aures mountains of Algeria.