Fort Rock is a striking ancient volcano surrounded by meandering trails that offer views of of its unusual features and the surrounding vistas. The hike is short and easy, about a mile long.

Tourists won't find much in the way of ancient history here in Oregon. There are no old temples or Neolithic dwellings; our oldest structures date back only to the 1850s. But we do have Fort Rock – a ...

The Crater is home to many other rocks and minerals, including jasper, sandstone, conglomerate, agate, quartz, amethyst, calcite, barite, mica, and (of course) diamonds, but the most prominent ...

Volcanic monoliths are a common sight in the landscape of the American West. Rising high above the often-desolate surrounding plains, these structures of igneous rock are testament to a violent ...

A combination of resistivity and magnetic data provided valuable information for delineating volcanic vents and dikes, further defining geological contacts of volcanic tuff and solid basaltic rocks in ...