Marble Cave, Chile Chico, Chile & The most spectacular caves network in the world and this Marble Cathedral is absolutely magnificent. It& located in Patagonia, Chile on the second largest freshwater lake in South America, General Carrera.
Ellora caves in India.These 34 monasteries and temples were dug side by side in the wall of a high basalt cliff. Ellora, dates from A. 600 to . Its sanctuaries devoted to Buddhism, Hinduism, and Jainism
Gruner See (Green Lake) is a lake in Styria, Austria known for its shimmering, emerald-green hue and its fluctuating depth throughout the year, at times leaving a park completely submerged in it. The site has proven to be an attraction for divers.