If you want to give zip-lining a try, your Southern California options are plentiful. Most have physical requirements participants must meet, so be sure to call or check the website before you book.
Catalina Zip Line Eco Tour: This two-hour aerial tour of Catalina Island is comprised of five zip lines, and guides provide information about local wildlife and history along the way. Tours leave 9 a.m. to 4 p.m. Mondays to Fridays, and 7 a.m. to 6 p.m. Saturdays and Sundays.
From Jan. 1 through May 24 and fromSept. 4 through Dec. 31, the tour costs $109 per person; from May 25 through Sept. 3, the tour costs $120 per person.
(800) 626-1496; http://www.visitcatalinaisland.com/avalon/tour_zipline.php
San Diego Zoo Flightline Safari: Should you be looking for more predictable wildlife sightings, the San Diego Zoo has a zip line that places you 160 feet above the animals in their habitats. The tour lasts for an hour and is open during regular park hours, which vary depending on the season. For adults, the tour is $112; for children, it's $102.