Explore the Anahulu Caves in Tonga: A Hidden Gem

Megan | Guided Hiking Tours • NC on Instagram: "New Cave Tour! ⤵️ 🌋 Walk through some of the oldest rocks on Planet Earth as you make your way to the tallest underground waterfall open to the public in America! @rubyfallscave 👀 Learn the science behind the natural cave formations on the new Geology Tour! (partner) 🤯 3 times my mind was blown: 1. Walking past rocks that were approximately 350 MILLION years old! 2. Seeing a fossilized crustacean that was alive during the time of Pangea! 3. Gazi

National Geographic History on Instagram: "Believed by some to be the entrance to Hades, the association between the Alepotrypa Cave in Greece and the concept of death is ancient. For thousands of years, this cave served as a burial place for early Greek farmers. #TheGreeks is now streaming on @DisneyPlus."