Just on the other side of the Santa Susana Mountains is a park called Rocky ... a hidden cave in Simi Valley, California, that only the intrepid discover. It requires determination, a trail map ...

The mountain village of Estes Park, Colorado, located about 70 miles northwest of Denver, is best known as a home base for a Rocky Mountain ... Horseshoe Park and Hidden Valley.

Avoid Yosemite crowds by hiking an under-the-radar trail with similar views of awe-inspiring granite rocks and towering ...