It is our purpose to describe, from our own observations made in the spring of 1867, and from the observations of others, that grand and weird cavern known as the Mammoth Cave of Kentucky, a wonder of its kind, unequaled in America or in the world, within whose sublime portals travelers have confessed the most profound awe at entrance, and the greatest rapture when its glorious mysteries were made visible to them. Finding the object to be one of greater magnitude than was anticipated, it occurred to us, as an afterthought, that a short sketch might interest a friend at home. In executing this...