These infinity pools in Mexico are heated by volcanic mountains

Grutas Tolantongo/Facebook Let's be real for a minute:We haven't met an infinity pool we didn't like. But one spotin Mexico'sMezquital Valley puts even the mostluxurioushotel swimming holes to shame. Las GrutasTolantongo, or the Tolantongocaves, area collection of hot spring pools built into a cliffin Hidalgo. Thedefinition of a bucket list destination, theysit three to fourhours northeast of Mexico City in a picturesquecanyon. Grutas Tolantongo/FacebookGrutas Tolantongo/Facebook The pools are f...