Browse Items · The Collections of the American Alpine Club Library

Great Onyx Cave, Alabaster stalactite and stalagmite joined.

Cave formations.

Tags: cave formations, caves, great onyx cave, mammoth cave national park, stalactites, stalagmites

Cave formations.

Tags: cave formations, caves, great onyx cave, mammoth cave national park, stalactites, stalagmites

Cave formations.

Tags: cave formations, caves, great onyx cave, mammoth cave national park, stalactites, stalagmites

Cave formations.

Tags: cave formations, caves, great onyx cave, mammoth cave national park, stalactites, stalagmites

A man standing in front of cave formations in Carlsbad Caverns

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, humans, limestone, stalactites, stalagmites

A group of people sitting in rocks below large cave formations in Carlsbad Caverns

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, hall of giants, humans, limestone, stalactites, stalagmites

Men posing with cave formations in Carlsbad Caverns.

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, humans, limestone, stalactites, stalagmites

Men posing with cave formations in Carlsbad Caverns.

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, humans, limestone, stalactites, stalagmites

Men posing with cave formations.

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, humans, limestone, stalactites, stalagmites

Men posing with cave formations in Carlsbad Caverns.

Tags: carlsbad caverns, carlsbad caverns national park, caves, columns, geological formations, humans, limestone, stalactites, stalagmites, twin domes