The Incan Temple of the Sun in Cusco has long been a visual and cultural jewel of the ancient empire. But there’s even more ...

Sun Tunnels documents the making of Holt's major site-specific sculptural work. Completed in 1976, the sculpture features a configuration of four concrete "tunnels" 8 feet long and 9 feet in diameter.

Archaeologists Use Radar Mapping and Sound Tests to Locate an Ancient Inca Underground Tunnel in Peru Archaeologists had ...