No compass. No map. Just the stars, waves, and centuries of memorized knowledge. The Austronesians crossed thousands of miles ...

High in the Bricklieve Mountains of County Sligo lie 14 ancient tombs aligned to the stars. Built over 5,400 years ago, the Carrowkeel cairns reveal Ireland’s earliest astronomy and funerary ...

Across Michigan, the remnants of once bustling towns bear witness to a bygone era. Here's a look at 5 "ghost towns" that once ...