# Iron Passport > Iron Passport helps travelers find and compare gyms worldwide with AI-powered rankings, real day-pass pricing, and reviews — so you never overpay for a hotel gym or waste a workout on a bad one. Search is free and unlimited; a free account unlocks the Gym Passport, saved gyms, and personalized rankings. ## How it works Gyms are ranked with a composite score (0–100) across 8 weighted criteria: Equipment (20%), Cleanliness (18%), Amenities (14%), Staff & Trainers (12%), Atmosphere (11%), Value (10%), Recovery (8%), and Classes (7%). ## Main Pages - [Home](https://iron-passport.com/): search and browse gyms worldwide - [Best Gyms](https://iron-passport.com/best-gyms/): city-by-city rankings of top gyms - [Map](https://iron-passport.com/map/): interactive map of ranked gyms - [Compare](https://iron-passport.com/compare/): head-to-head gym comparison tool - [Blog](https://iron-passport.com/blog/): city guides and travel-training articles - [RSS Feed](https://iron-passport.com/rss.xml): full blog feed for readers and crawlers ## City Guides Individual city pages (e.g. [Los Angeles](https://iron-passport.com/best-gyms/los-angeles/), [Austin](https://iron-passport.com/best-gyms/austin/), [Miami](https://iron-passport.com/best-gyms/miami/), [Las Vegas](https://iron-passport.com/best-gyms/las-vegas/)) list ranked gyms with day-pass pricing. The full, current list of city and gym pages is in the sitemap: https://iron-passport.com/sitemap.xml ## Optional - [Claim a gym](https://iron-passport.com/claim/): for gym owners to claim and manage their listing - [About](https://iron-passport.com/about/): who runs Iron Passport, data sourcing, and scoring methodology