Southern California has many treasures, but believe it or not, nothing like this hidden gem. When most of us think of volcanoes, we think of molten lava spewing up from the earth and melting ...

The air grows heavy as you ascend the narrow, winding staircase of the Vogelsang-Turm, an observation tower with commanding views of Urftsee and Eifel National Park in western Germany.

The Hessian town of Amöneburg is situated on a 365-meter-high basalt cone left by an extinct volcano. It is located in a region that holds a European superlative in this regard. Traces from this era, ...