The picture above shows the Cave of Crystals in Naica, Chihuahua, Mexico (March 2008). Some of the gypsum crystal “beams” in the cave are 36 feet long and weigh approximately 121,000 pounds. The cave contains some of the largest natural crystals ever found. (source)
Spotted Lake is located just northwest of Osoyoos in British Columbia, Canada. It contains incredibly high concentrations of minerals, which leave behind “spots” when much of the water in the lake evaporates over summer. (source)
The Marble Caves (Cuevas de Mármol) are located on a peninsula of solid marble in the center of Lake General Carrera, a remote glacial lake in Patagonia that is shared between Chile and Argentina. The caves have been formed over 6,200 years from wave erosion. (source)
The Devils Postpile is a 60 foot high symmetrical formation located in the north east of Madera County in California. It is a rarity in the geological World and is considered one of the best examples of columnar basalt. (source)
17 Waitomo Glowworm Caves, New ZealandImage source: www.waitomo.com
The Waitomo Glowworm Caves are naturally illuminated by thousands of glowworms. The caves are located in New Zealand’s north island, and can be traversed by boat. (source)
Known as the “Champagne Pool”, this 900 year old hot spring bubbles with carbon dioxide. The peculiar orange sand is caused by the minerals of orpiment and realgar, which are both sulfides of arsenic. It is located in the Waitapu geothermal area in the north island of New Zealand. (source)
