I visited Mexico's hidden coastline to uncover why the wealthy are flocking there, and how it earned the name the 'Happy Coast'

Source: Business Insider

Costalegre is Mexico's "Happy Coast. "Monica Humphries/Business InsiderI arrived at Mexico's Happy Coast stressed, anxious, and, frankly, unhappy. Within minutes of arriving in Puerto Vallarta, I was standing at the rental car company, utterly confused.