Comments on: Underground Wonders http://www.mentalfloss.com/blogs/archives/4046 Feel Smart Again Sun, 22 Nov 2009 09:01:57 -0500 http://wordpress.org/?v=2.8.5 hourly 1 By: jamie http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-134581 jamie Tue, 31 Mar 2009 08:13:00 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-134581 hahahaahhahahahahahahahahahahahahahahahahah that wiz funny hahahaahhahahahahahahahahahahahahahahahahah

that wiz funny

]]> By: Fraser Brown http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-68156 Fraser Brown Wed, 16 Apr 2008 13:40:44 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-68156 hey I like chips and your website hey I like chips and your website

]]> By: Tdave http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-32622 Tdave Sat, 27 Oct 2007 07:07:35 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-32622 I visited a solutional (limestone) cave in Pennsylvania, I think the name was Laurel Caverns. The tour was about an hour, followed by 3 hours in the Uniontown hospital getting stitches in my forehead.(ha-ha) Them caves is dark. The next time I'll wear the hard-hat. I visited a solutional (limestone) cave in Pennsylvania, I think the name was Laurel Caverns. The tour was about an hour, followed by 3 hours in the Uniontown hospital getting stitches in my forehead.(ha-ha) Them caves is dark. The next time I’ll wear the hard-hat.

]]> By: Scott http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-32515 Scott Fri, 26 Oct 2007 20:43:04 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-32515 You left one kind out... man-made link to: en.wikipedia.org/wiki/Cheyenne_Mountain You left one kind out… man-made

link to: en.wikipedia.org/wiki/Cheyenne_Mountain

]]> By: jessica A http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-32124 jessica A Thu, 25 Oct 2007 02:49:34 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-32124 thats cool it would be nice if it said where the caves where! thats cool it would be nice if it said where the caves where!

]]> By: Ranger X http://www.mentalfloss.com/blogs/archives/4046/comment-page-1#comment-7981 Ranger X Fri, 16 Feb 2007 02:58:49 +0000 http://www.mentalfloss.com/blogs/archives/4046#comment-7981 Great photos! Don't forget the highest concentrations of lava tubes in North America: Lava Beds National Monument in Northern California. It has over 400 lava tube caves, far more than Mt. Saint Helens. Great photos! Don’t forget the highest concentrations of lava tubes in North America: Lava Beds National Monument in Northern California. It has over 400 lava tube caves, far more than Mt. Saint Helens.

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