A few nice Fitness images I found:

Fitness World
Fitness
Image by Abi Skipp
Massive lorry outside Third Space in Soho

Planet Fitness
Fitness
Image by JeepersMedia
Planet Fitness, Brooklyn, New York, pics by Mike Mozart on instagram.com/MikeMozart

LA Fitness
Fitness
Image by JeepersMedia
LA Fitness Sunset, Newington, CT. 7/2014 Pics by Mike Mozart of TheToyChannel and JeepersMedia on YouTube.