Largest Armies in the World from 1816 to 2019

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

history on Instagram: "On June 8, 2014, 52-year-old cave researcher Johann Westhauser was exploring the Riesending cave system beneath the German-Austrian Alps when a rockfall struck him in the head over 3,000 feet underground. He was part of a three-man team surveying deep passages when the impact left him with a serious traumatic brain injury. His partners had no radio signal. One climbed for 12 hours to reach the surface and alert rescuers. The other stayed behind in total darkness for days t