Crystal Mill: The River Shack That Helped Colorado Ore Miners

The Crystal Mill or historically known as the Sheep Mountain Mill, is one of the most beautiful, picturesque and reputed to be the most photographed area in Colorado state. It’s located above the Crystal River in Crystal, Colorado, between the towns of Glenwood Springs and Aspen on Highway 82, seven miles southeast of Marble.

The Catacombs of Odessa

Underneath the city of Odessa, in Ukraine, is an extensive network of tunnels believed to be the largest catacomb system in the world. Largely unmapped and spread haphazardly under the city, the huge maze of underground passages extends for over 2,500 kilometers. If it were laid out in a straight line the tunnels would reach all the way to Paris.

Abandoned Kennicott Copper Mining Town, Alaska

The old mining town of Kennicott in the US state of Alaska is located on the south slopes of Wrangell mountain close to the Kennicott Glacier, about five miles up from the small town of McCarthy. While McCarthy has a year-round population of about two dozen people, Kennicott is totally deserted.