Locations: More than 2,600 fitness destinations (nationwide)
Pros: Reduced pricing for families, students, seniors, youths and teens. Also, they offer free guest passes.
Monthly Membership: $48 plus $121 initiation cost
One-day Pass: Not available, although you can sign up for a free 7-day pass
Minimum visits to offset cost of membership in the first month: Not available
Find out more here.
(Image via Flickr)