This video shows a group of buildings constructed directly along a steep rock cliff above clear green water. The structures ...

While hiking deep in the Great Smoky Mountains National Park, explorers stumbled upon bizarre, ancient-looking rock ...

Anywhere from 85-120 million years ago magma from an arc of erupting volcanoes solidified deep within the Earth’s crust and began the process of creating the Sierra Nevada. Tectonic plates began to ...

Marian Posey grew up northeast of Jerome and, even as a child, paid particular attention to the many rock structures that surrounded her home. As an architectural historian, she later took on the ...