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 ...

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 ...

For centuries, travelers and historians have been captivated by the beautiful sights of Turkey's Cappadocia region. With its unique terrain, and "fairy chimney" rock formations, the geology inspires ...