Natural History Wanderings

NBC Bay Area reports

Hiking Yosemite’s Half Dome is no easy feat, even for the youngest and healthiest.

Now imagine being in your 90s and making it to the top of the majestic peak.

That’s what 93-year-old Oakland resident Everett Kalin did this past week. With the help of his son Jon and granddaughter Sidney, Kalin completed the trek to the summit of one of the world’s most famous rocks.