Ellison's Cave(en.wikipedia.org)
30 points by dataminer | 19 comments
First screen, captured .
Looks similar
Iceland Spar(en.wikipedia.org)
19 points by Thevet | 2 comments
Sponge spicule(en.wikipedia.org)
39 points by perihelions | 4 comments
Octopolis and Octlantis(en.wikipedia.org)
19 points by eatonphil | 6 comments
Starlite(en.wikipedia.org)
76 points by 9woc | 29 comments
Cave of the Crystals(en.wikipedia.org)
50 points by ColinWright | 3 comments