Marble Cave, Chile Chico, Chile – The most spectacular caves network in the world and this Marble Cathedral is absolutely magnificent. It’s located in Patagonia, Chile on the second largest freshwater lake in South America, General Carrera.
The Reed Flute Cave, Guilin, Guangxi, China It is a natural limestone cave with multicolored lighting and has been one of Guilin’s most interesting attractions for over 1200 years. It is over 180 million years old. I really want to see this in person!
Ice Cave Near The Mutnovsky Volcano, Russia - Ice caves like these form in the glaciers surrounding the Mutnovsky Volcano in Russia. Some of them are formed by vents that release volcanic heat and gases called fumaroles. (photo by Florian Wizorek)