The World's Mysterious Places Part 4

Eleven more amazing ancient wonders observed from space.

Chankillo Observatory, Peru.
Caral, Peru.
Pueblo Bonita, New Mexico.
Cahokia, Illinois.
Old Sarum, England.
Pyramids of Guimar, Tenerife.
Adam's Bridge, Indian ocean.
Persepolis, Iran.
Great Ziggurat of Ur, Iraq.
Great Mosque of Samarra, Iraq.
The Arch at Ctesiphon, Iraq.

Music by Alex Tiuiaev. Used by permission.
Written and narrated by Jerry Glover.