yes, alessandro volta did die. he died on march 5th 1827, he was 82 years old.
Umstead is one of the few state parks that have trails for bicycling. There are about 13 miles of multi-use trails for bicycling, horseback riding, and hiking. The trailhead for these trails are at the Multi-Use parking lot.
Yosemite National Park. According to the National Park Service, the hike takes 10-12 hours to complete round-trip (http://www.nps.gov/yose/planyour...). But of course your time could be very different, here's the details: The trail route is 14-16 miles, call it 15 taking the JMT up and the Mist Trail on the return.