What makes it surreal: Utah’s landscapes feature bentonite clay hills, jagged monoclines, and monolithic buttes that resemble alien planets, all formed by ancient seas, volcanic ash, and erosion.

You do not need lava fields to find a truly otherworldly American landscape. Some of the strangest scenery in the country comes from gypsum, salt, sandstone, wind, ancient lakes, and millions of years ...

America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...