It takes tens of thousands of people to protect our national parks. Park staff work in the trenches every day to maintain our nation’s most precious natural and historic places, educate visitors and k...

It takes tens of thousands of people to protect our national parks. Park staff work in the trenches every day to maintain our nation’s most precious natural and historic places, educate visitors and k...

Occupation: Arson Investigator Angelo Mendez here, with the El Dorado Hills Fire Department, California. Normally I investigate arson, but that day I was asked by the Fire Chief to help cover for t…