There are several ancient monuments proving that our predecessors possessed knowledge of astronomy and used it for practical purposes.

Add Yahoo as a preferred source to see more of our stories on Google. Across continents and millennia, ancient civilizations left behind massive monuments whose true purposes still elude us. From ...

An archaeological excavation in Greece has revealed the remains of an ancient monumental building replete with marble lion sculptures and intriguing gold artifacts, among other finds. The dig, which ...

Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar calendar in ancient civilization. Marking a massive comet strike as the start, ...

A video of a stray dog scaling one of the Pyramids of Giza in Egypt has gone viral on the internet. What began as a surprising sight for paragliders flying over the 4,500 year-old Pyramid of Khafre, ...

If you're near Phoenix and drawn to ancient history or lesser-known national monuments, Casa Grande is worth a detour.