Delve into the etymology of Africa, tracing its history and roots.
Explore the labyrinthine wonders of Mammoth Cave in Kentucky, the world’s longest known cave system, a geological marvel shaped by millennia of water erosion, and home to a rich history of human exploration and natural biodiversity.
Uncover the mystery behind the Kensington Runestone, a controversial artifact found in Minnesota in 1898, inscribed with Norse runes purportedly dating back to the 14th century, hinting at early Scandinavian exploration of North America.