Other attractions are quite massive: The Great Heart of Timpanogos stalactite in Timpanogos Cave is 5 1/2 feet long, 3 feet wide and weighs in at 4,000 pounds. A stalactite-stalagmite pairs that ...

Sprinkle], who noticed that some stalactites ... a cave, the sound can be heard anywhere from within the cave system, which covers about 64 acres (260,000 square meters). That makes it the largest ...

The Great Stalacpipe Organ spans 3.5 acres of the cave and is considered the world's largest musical instrument. The name is a combination of the words stalactite and pipe organ but in actuality ...

In the rolling mountains of Northern Virginia, Luray Caverns are celebrating the 50th anniversary of their designation as a National Natural Landmark. They are the most extensive cave system in ...