Visit the Trees of Mystery nature attraction in Klamath, California, about six hours from San Francisco, and enjoy hiking the many trails through the various Redwoods and other large trees. There are five trails, including the SkyTrail, which takes families 571 feet into the air and through the tree tops for spectacular views. There is also an onsite museum and gift shop with information on the Native American tribes that lived in the area for so long.

Admission to Trees of Mystery includes access to all of the trails (including the SkyTrail) and is $15 for adults (13 to 59), $11 for seniors (60 and over) and $8 for kids (7 to 12); children ages 6 and under are free.

Summer trail hours are June through September, from 8 a.m. to about 6 p.m. daily. The gift shop is open daily from 8 a.m. to 7 p.m., and the museum is open daily from 8:30 a.m. to 6:30 p.m. Winter trail hours are October through May, from 9 a.m. to 3:30 p.m. daily. The gift shop is open daily 9 a.m. to 5 p.m., and the museum is open daily from 9:30 a.m. to 4:30 p.m.