The Great Circle (via Michæl.Paukner on Flickr)
Inspired by A new look at an old design — the prehistoric alignment of world wonders. The points show: Giza, Siwa, Tassili n’Ajjer, Paratoari, Ollantaytambo, Machupicchu, Nazca, Easter Island, Aneityum Island, Preah Vihear, Sukhothai, Pyay, Khajuraho, Mohenjo Daro, Persepolis, Ur and Petra.