Mysterious artifacts, megaliths, and natural structures that are just a little too perfect. All these things have one thing in common…Aliens…Probably. We’re not saying it’s a black and white situation, but most likely the curious structures around the world with no explanation may in fact have an otherworldly explanation.
20. IMMORTAL BRIDGE
The Immortal Bridge is a rock formation on Mount Tai, one of the Five Great Mountains of China. This rock formation seems like an impressive display of ancient engineering. The placement of the rocks resembles the arch-based architecture of the Romans.
19. THE 6-STORY DERINKUYU UNDERGROUND CITY, TURKEY
The Derinkuyu underground city is an ancient multi-level underground city in the Derinkuyu district in Nevşehir Province, Turkey. It is large enough to have sheltered approximately 20,000 people together with their livestock and food stores.
18. THE GREAT CITY OF TEOTIHUACÁN
The Great City of Teotihuacán (it means The Place Where Men Become Gods) was one of the first cities of the Western Hemisphere and the largest one before the early 15th century. It is located in what is now the San Juan Teotihuacán municipality in the State of México, near Mexico City.