Hike past massive boulders, red barrel cacti, and restless tumbleweeds to a shady oasis on this 3-mile out-and-back in Joshua Tree National Park.

This 7.4-mile out-and-back rolls over hills dotted with spiky yuccas, ocotillos, and cactus before dropping into the lush Lost Palms Oasis in Joshua Tree National Park.

In 2.6 miles, you'll explore abandoned mine sites, learn about desert fauna, and scramble up Mastodon Peak for wide-open views of Joshua Tree National Park.

The rocky points of this 5.6-mile coastal hike offer some of the best tidal pool viewing in Southern California. Go at low tide to see crabs, sea stars, anemones, and sea hares.

This 6.5-mile loop passes through sage, chaparral, and oak groves to a high plateau with panoramic views of the Santa Ana Mountains.

This 5-mile loop winds through an undisturbed swath of parkland to babbling creeks and fine views across the San Fernando Valley to the San Gabriel Mountains.

Escape the city's smog on this pretty 7.3-mile loop into the chaparral-covered ecosystem of La Jolla Canyon. Fresh air and Pacific Ocean vistas are only a 30-minute drive from downtown.

Before Napa Valley got its grapevine rep, the landscape likely resembled 2,000-acre Bothe-Napa Valley State Park, where redwoods shade this mellow 4.6-mile trail.

This 9.6-mile hike offers a tour of the Marin Headlands, then loops to include fine bluff views of San Francisco Bay and the Pacific. Bring extra clothes; the weather changes quickly.

This 5-mile loop wanders through huge redwood stands along the western slope of the Santa Cruz Mountains. Extend the trip with an overnight at a Sierra Club hut.