Ancient Observatories, Timeless Knowledge

Sun-Earth Day Presents: Ancient Observatories, Timeless Knowledge

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Image Gallery
  • El Karnak
  • Photo: Matthew Davey
  • Wijiji, Chaco Canyon
  • Photo: Troy Cline
  • Wijiji, Chaco Canyon
  • Photo: Troy Cline
  • Wijiji, Chaco Canyon
  • Photo: Troy Cline
  • Wijiji, Chaco Canyon
  • Photo: Troy Cline
  • Fajata Butte, Chaco Canyon
  • Photo: Troy Cline
  • Hovenweep National Monument
  • Photo: Troy Cline
  • Hovenweep National Monument
  • Photo: Troy Cline
  • Hovenweep National Monument
  • Photo: Troy Cline
  • Hovenweep National Monument
  • Photo: Troy Cline
  • Hovenweep National Monument
  • Photo: Troy Cline
  • Machu Picchu
  • Photo: Jeff Gilbert