Ice Cave Inside The Mutnovsky Volcano, Kamchatka, Russia
Xcaret, Quintana Roo, Yukatan
Fire Cave, Lake Baikal, Russia. Photographed by CoolBieRe. Want to travel for free? Try volunteering!
Cave National Park, Central Kentucky, USA. The longest known cave system in the world. There are over 400 miles of caves that have been explored. 63 Alabama State Parks,The first thing you notice about Cathedral Caverns is the massive entrance.