This is an Icelandic waterfall called Litlanesfoss and the naturally occurring rock formation is columnar jointed basalt. (via Kotkke: Hexagonal rocks)

truebluemeandyou:

DIY Lava Lamps! First a disclaimer: I have always wanted to do this since I was little. True story. All you need is water, oil, food coloring, vegetable oil and the secret magic ingredient… alka-seltzer. From S.L. Smith Photography here. This is such a fun project.  

  

ivanfilios:

Glacier Lagoon vs. Grímsvötn Volcano, Iceland by skarpi on Flickr.