Megalithic Structures for Observing Earth, Sky, and Time

Stonehenge in Britain, the Nazca Lines in Peru, the moai of Rapa Nui, and Tiwanaku–Puma Punku in Bolivia are separated by thousands of years, yet each required careful choices of place, direction, and timing. These are not random piles of stone. They sit on solar alignments, horizons, water sources, or important routes.

Stonehenge in Britain, the Nazca Lines in Peru, the moai of Rapa Nui, and Tiwanaku–Puma Punku in Bolivia are separated by thousands of years, yet each required careful choices of place, direction, and timing. These are not random piles of stone. They sit on solar alignments, horizons, water sources, or important routes.

Stonehenge in Britain, the Nazca Lines in Peru, the moai of Rapa Nui, and Tiwanaku–Puma Punku in Bolivia are separated by thousands of years, yet each required careful choices of place, direction, and timing. These are not random piles of stone. They sit on solar alignments, horizons, water sources, or important routes.

Stonehenge in Britain, the Nazca Lines in Peru, the moai of Rapa Nui, and Tiwanaku–Puma Punku in Bolivia are separated by thousands of years, yet each required careful choices of place, direction, and timing. These are not random piles of stone. They sit on solar alignments, horizons, water sources, or important routes.