Hiker Rob Cook conquers 100 miles of Pacific Crest Trail, finding freedom from Parkinson's while raising funds for research.

Vazquez Rocks is a dramatic desert landscape just outside Los Angeles, known for its striking geology, outlaw legends, and countless Hollywood film appearances.

Immerse yourself in nature at this fern-covered hike in Northern California's redwoods — the James Irvine Trail is a place you must see to believe.