Amarnath Cave

Amarnath cave is a famous shrine in Hinduism located in the Indian state of Jammu and Kashmir. It is dedicated to Shiva. The cave is situated at an altitude of 3,888 m (12,756 ft), about 141 km (88 mi) from Srinagar, the capital of Jammu and Kashmir and reached through Pahalgam town. The shrine forms an important part of Hinduism,[2] and is considered to be one of the holiest shrines in Hinduism.[3] The cave is surrounded by snowy mountains. The cave itself is covered with snow most time of the year except for a short period of time in summer when it is open for pilgrims. An annual pilgrimage is made to the Amarnath cave by lakhs of Hindu devotees on challenging mountainous terrain to see an ice stalagmite formed inside the cave.

http://en.wikipedia.org/wiki/Amarnath_Temple