SAN FRANCISCO (KGO) -- San Francisco is one of the most walkable cities in the country unless you hate hills. There are at least 600 public stairways to get you up and down the city's steep hills.

MEAD, Wash. - The inaugural "Step to Remember" stair-stepper challenge to honor those who died on 9/11 is underway in Mead. Local first responders are working on climbing 110 floors in full gear, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. As reader hellhog ...

NATICK, Mass. (Sept. 12, 2016) -- More than 100 people from the Natick Soldier Systems Center workforce and local first responders participated in the first-ever stair-climb challenge Sept. 9, to ...