Wow.
Some great pics were posted by Matador Trips.
see the rest of these amazing photos – Photo Essay: The Most Alien Landscapes on Earth
On Facebook, Jason Mortimer posted a link to this article. Thanks.
Most Alien Landscapes on Earth
Best hikes, treks, tramps in the world.
besthike.com 
Wow! Those pics are INCREDIBLE! I’ve added the Fly Geyser in the Black Rock Desert, Nevada (#7) to my list of places to visit before I die. What a majestic sight!
Bizzare! Just a hole in the ocean.
good stuff!