Shipton's Arch

What the Show Claims

• ›Ancient Aliens suggests Shipton's Arch's massive scale, remote location, and unexplained purpose indicate possible extraterrestrial involvement or ancient advanced engineering knowledge. The show questions how ancient peoples could construct such a massive natural stone arch without modern technology.

What Archaeology Says

Shipton's Arch is a natural stone arch in Xinjiang, China, recognized as the largest natural arch in the world at approximately 1,615 feet long and 1,098 feet high. Geological science attributes its formation to natural erosion and weathering processes over millions of years, with no archaeological evidence of human construction or modification.