There are alot of great caves in the US but there is a hot debate over which one is better Mammoth Cave or Carlsbad Caverns.

The surface of Mammoth Cave National Park encompasses about ... For a half-day visit, you might take the Historic Tour, which combines geology with Mammoth's rich history, or the challenging ...

Researchers have traced the rise of farming in these groups by looking at pre-historic poo ... in locations away from cave tours.” There’s no entrance fee for Mammoth Cave National Park ...

MAMMOTH CAVE, Ky. — During a late January tour of Mammoth Cave, the guide clapped his hands, and the already dim lights went out. He had brought our group to a stop in a flat area – like a ...

Floyd Collins entered Sand Cave a century ago today to explore its prospects as a visitor site and became trapped in a passageway not much wider than his chest, dislodging a 27-pound rock that pinned ...